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than modern heights. Some dividers on county or local roads may have been lower than that, since they replaced a raised concrete rumble strip that would dissuade, but not prevent, traffic crossing from one lane to another. Route 46 had a rumble strip in many places before the higher barrier was gradually installed. These lower dividers are visible in old photographs. When the
127:. This first generation of concrete barriers was developed to (a) minimize the number of out-of-control trucks penetrating the barrier, and (b) eliminate the need for costly and dangerous median barrier maintenance in high-accident locations with narrow medians – concerns that are as valid today as they were 80 years ago.
339:
barriers have been developed for short-term applications where portability is important. These plastic barriers are normally filled with water after placement on-site to provide a moderate level of crash protection, then emptied prior to removal. They are not designed to deflect vehicles, so vehicles
267:
mandates specific design requirements for their precast concrete barrier walls. The department has marked all compliant precast concrete barrier walls with "350", indicating that they adhere to the requirements laid out in the
National Cooperative Highway Research Program's Report 350. Without this
154:
Most of the original barriers constructed in New Jersey in the 1950s and early 1960s were not "modular"; they were formed from concrete poured in place. Many of the first installations (Route 46 in Bergen County and
Passaic County, for instance) were about two feet (61 cm) tall, much shorter
302:
is a variant of the Jersey barrier. Standing at 42 inches (107 cm), it is 10 inches (25 cm) taller than the standard Jersey barrier. Ontario's
Ministry of Transportation has been replacing guiderails (steel guardrail and steel box-beam) with these tall wall barriers on
146:
or plastic. Many are constructed with the embedded steel reinforcement protruding from each end, allowing them to be incorporated into permanent emplacements when linked to one another by sections of fresh concrete poured on-site.
150:
Their widespread use in road construction has led to wide application as a generic, portable barrier during construction projects and temporary rerouting of traffic into stopgap carpool and rush-hour reversing highway lanes.
178:
to ride up on the lower sloped face. Head-on vehicle collisions are minimized by gradually lifting the vehicle and pivoting it away from oncoming vehicles and back into traffic heading in its original direction.
228:
used modified modular Jersey barriers with wired fencing bolted onto the concrete. The fence used the barrier as sturdy base to prevent protesters from toppling the fence around the security zone at the
534:
95:, proved more effective at stopping vehicles and had the added advantage of blocking most oncoming headlights. More modular variants, including plastic water-filled barriers, have been created.
3555:
166:
The design of the Jersey barrier was specifically intended to minimize damage in incidental accidents and reduce the likelihood of a car crossing into oncoming lanes in the event of a
186:
developed and tested a similar, but heavily reinforced, design. This barrier design has been credited with effectively containing and redirecting larger vehicles, including
416:
755:
4196:
107:
42-inch (110 cm)-high variation of the Jersey barrier known as an
Ontario Tall Wall, used to deflect vehicles from crossing into the opposing lanes of traffic
31:
191:
621:
195:
661:
531:
2268:
912:
111:
Although it is not clear exactly when or where the first concrete median barriers were used, concrete median barriers were used in the mid-1940s on
423:
199:
139:
85:
3371:
1020:
965:
850:
65:. It is designed to minimize vehicle damage in cases of incidental contact while still preventing vehicle crossovers resulting in a likely
3965:
3660:
253:
323:
163:, rumble strip dividers were extensively used on the roadway (Forest Avenue) that separated the grocery stores from the mall proper.
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3565:
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230:
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88:
specification for temporary concrete traffic barriers which first started using concrete median barriers in the mid-1940s.
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183:
752:
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4191:
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604:
284:. The F-shape is generally similar to the Jersey barrier in appearance, but is taller, with somewhat different angles.
3550:
2631:
1928:
1818:
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120:
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have adopted the taller barrier for their roads, as compared to the standard 32 inches (81 cm) suggested by the
130:
The Jersey barrier, also called New Jersey wall, was developed in the 1950s (introduced in current form in 1959), at
3146:
1106:
516:
726:
142:
to divide multiple lanes on a highway. A typical Jersey barrier stands 32 inches (81 cm) tall and is made of
3595:
3220:
2217:
2036:
892:
582:
213:. Barriers meant for short-term placement, especially in military and security barrier uses, might include steel
209:
Designs with two rectangular notches at the bottom (through the short axis) allow for forklift-style lifting by
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3170:
2197:
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1918:
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930:
843:
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350:
225:
633:
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may penetrate the barriers. These barriers can also be filled with sand at the cost of reduced portability.
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1404:
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445:
370:
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1429:
1320:
920:
365:
288:
1813:
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4102:
3630:
3256:
3055:
3021:
2421:
2303:
2135:
1833:
1556:
1454:
1340:
940:
925:
675:
3919:
3655:
3011:
2389:
2087:
1961:
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1524:
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1051:
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879:
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to slow vehicular traffic arriving at military installations or other secure areas. During the US
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1991:
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resulted in more widespread use in military installations. Sometimes they are deployed to form a
210:
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which first started using the barriers as separators between lanes of a highway in the 1950s.
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1005:
1000:
990:
380:
69:. Jersey barriers are also used to reroute traffic and protect pedestrians and workers during
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2785:
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776:
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3060:
3028:
2789:
2731:
2719:
2701:
2568:
2549:
2475:
2452:
2145:
2105:
2016:
2006:
1976:
1966:
1951:
1913:
1869:
1695:
1685:
1616:
1232:
935:
759:
538:
395:
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375:
295:
281:
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4124:
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3775:
3710:
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3415:
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3082:
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2746:
2710:
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2011:
1823:
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1175:
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since the early 1990s, while the City of
Toronto is doing likewise on portions of the
236:
4180:
4134:
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3995:
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2608:
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2489:
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2125:
2082:
2031:
1971:
1936:
1903:
1770:
1720:
1710:
1611:
1541:
1531:
1424:
1394:
1283:
1242:
1160:
1036:
870:
360:
112:
4112:
3970:
3934:
3889:
3873:
3801:
3754:
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3720:
3715:
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3347:
3208:
3175:
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2863:
2837:
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2799:
2741:
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2150:
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1996:
1956:
1946:
1941:
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1488:
1469:
1399:
1237:
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385:
336:
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Soldiers taking cover from enemy fire behind Jersey barriers in
Baghdad, Iraq, 2007
218:
551:
4011:
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3807:
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3401:
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3075:
3045:
3035:
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2120:
1765:
1755:
1730:
1655:
1566:
1514:
1464:
1269:
1201:
1170:
764:
Recommended
Procedures for the Safety Performance Evaluation of Highway Features
355:
171:
37:
103:
17:
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4016:
3856:
3828:
3759:
3635:
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3016:
2966:
2961:
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2905:
2853:
2811:
2756:
2598:
2561:
2514:
2110:
1986:
1859:
1795:
1760:
1740:
1621:
1591:
1561:
1501:
1449:
1101:
135:
74:
662:"Temporary Precast Barrier Wall Specifications in Ohio | Eiffel Trading"
3445:
3376:
3203:
3198:
3131:
2772:
2685:
2615:
2573:
2399:
2369:
2330:
2296:
1981:
1828:
1715:
1675:
1665:
1660:
1551:
1419:
1414:
1264:
1183:
1140:
1091:
1081:
1076:
1066:
328:
167:
3929:
3924:
3849:
3690:
3408:
3383:
3366:
3296:
3237:
3165:
3158:
3001:
2889:
2763:
2583:
2578:
2554:
2482:
2462:
2442:
2409:
2174:
2169:
2001:
1750:
1745:
1606:
1571:
1519:
1509:
1155:
1130:
955:
256:
jersey barriers were set up in cities as form of urban warfare to combat
91:
Over time, different variants were created. Taller variants, such as the
58:
4061:
4026:
4021:
3359:
3342:
3327:
3311:
3263:
3191:
3136:
3126:
3094:
2996:
2971:
2956:
2726:
2670:
2588:
2435:
2428:
2374:
2072:
2056:
1883:
1725:
1576:
1086:
1061:
249:
70:
62:
4066:
3420:
2986:
2924:
2868:
2846:
2823:
2816:
2692:
2675:
2507:
2339:
2321:
2291:
2179:
1849:
1259:
1222:
472:
NCHRP Synthesis 244, "Guardrail and Median
Barrier Crashworthiness"
4107:
4051:
3795:
3320:
3151:
2991:
2312:
322:
235:
214:
102:
36:
27:
Modular concrete or plastic barrier for separating vehicle traffic
2246:
898:
Dual carriageway / Divided highway / Expressway
828:
3089:
2931:
2898:
2873:
2665:
2655:
2624:
2603:
859:
175:
2250:
832:
244:
The U.S. military nicknamed the devices "Qaddafi Blocks" after
1690:
648:
Cities Around the World: Struggles and
Solutions to Urban Life
294:
First tested in 1968 by the then
Department of Highways in
30:"K-rails" redirects here. For the Indian rail company, see
702:"Water Filled Barriers – Linkable Traffic Safety Barriers"
469:
Transportation Research Board, National Research Council.
268:
marking, a barrier wall is not approved for use in Ohio.
603:
Federal Highway Administration (FHWA). Washington, D.C.
530:
Federal Highway Administration (FHWA). Washington, D.C.
753:"NCHRP Report 350: Devices in Work Zones - Category 3"
593:(5). Washington, D.C.: Federal Highway Administration.
73:
construction. They are named after the U.S. state of
727:"How to Winterize your Plastic Water-filled Barriers"
4080:
4004:
3948:
3882:
3768:
3673:
3483:
3394:
3110:
3103:
2535:
2284:
2188:
2159:
2065:
1882:
1842:
1804:
1646:
1635:
1487:
1374:
1291:
1282:
1210:
1115:
1029:
911:
878:
869:
483:
481:
417:"Development of Staking Configurations for K-Rail"
632:(1). American Heritage Publishing. Archived from
61:or plastic barrier employed to separate lanes of
2518:
3080:
3026:
2844:
2690:
3735:
3465:
3294:
3270:
2887:
2878:
2835:
2559:
2355:
2346:
2262:
844:
8:
3854:
3835:
3826:
3817:
3406:
3381:
3357:
3318:
3309:
3261:
3247:
3218:
3189:
3180:
3156:
3117:
2922:
2903:
2821:
2770:
2761:
2717:
2708:
2699:
2636:
2622:
2613:
2496:
2473:
217:loops embedded in the top surface for rapid
174:damage is minimized by allowing the vehicle
138:, United States, under the direction of the
32:K-Rail (Kerala Rail Development Corporation)
2505:
2487:
2433:
2419:
2337:
2328:
2319:
2310:
2301:
552:"BBS Jersey Barrier / bordergroupltd.co.uk"
514:Laurie, Maxine; Mappen, Marc, eds. (2005).
3107:
2269:
2255:
2247:
1643:
1288:
875:
851:
837:
829:
576:
574:
572:
615:
613:
581:McDevitt, Charles F. (March–April 2000).
520:. Rutgers University Press. p. 422.
190:(tractor-trailer) trucks. The states of
424:California Department of Transportation
408:
86:California Department of Transportation
4197:Fortification (architectural elements)
676:"Water-Filled Plastic Jersey Barriers"
1947:Median / Central reservation
7:
246:truck bomb attacks in Beirut in 1983
3661:Weapons Storage and Security System
490:"New Jersey Median Barrier History"
140:New Jersey State Highway Department
1865:Risk compensation (road transport)
607:FHWA Safety Programme. 2017-08-31.
541:FHWA Safety Programme. 2010-09-24.
25:
446:"20' K-Rails (Caltrans Standard)"
265:Ohio Department of Transportation
80:The barriers are also known as a
4160:
4159:
2231:Glossary of road transport terms
620:Giblin, Kelly A. (Summer 2006).
170:. In common shallow-angle hits,
144:steel-reinforced poured concrete
777:"Barrier 31" x 120" (3110-155)"
231:Metro Toronto Convention Centre
132:Stevens Institute of Technology
650:. ABC-CLIO. 2019. p. 189.
276:Modern variations include the
204:Federal Highway Administration
1:
3556:British "hedgehog" road block
2213:Pavement performance modeling
2203:International roughness index
583:"Basics of Concrete Barriers"
488:Scott M. Kozel (2004-06-21).
184:New Jersey Turnpike Authority
2208:Present serviceability index
2002:Sidewalk / Pavement
1547:Diamond grinding of pavement
3966:Cities with defensive walls
3551:Defensive fighting position
3466:
3271:
3081:
3027:
2888:
2879:
2845:
2836:
2691:
2180:Underpass / Tunnel
2175:Overpass / Flyover
1929:High-occupancy vehicle lane
1819:Driving under the influence
893:Freeway / Motorway
84:, a term stipulated in the
41:Jersey barriers on the road
4228:
1107:Highway systems by country
626:Invention & Technology
517:Encyclopedia of New Jersey
29:
4150:
3596:Hardened aircraft shelter
3571:Entry control point (ECP)
2226:
2218:Granular base equivalency
2037:Traffic signal preemption
1445:Right-in/right-out (RIRO)
1351:Single-point urban (SPUI)
327:Plastic Jersey barriers (
287:The UK equivalent is the
4093:Continuity of government
2198:Pavement condition index
1924:High-occupancy toll lane
1919:Contraflow lane reversal
1894:Barrier transfer machine
706:trafficsafetyservice.com
351:Barrier transfer machine
226:2010 G-20 Toronto summit
115:on the descent from the
4212:Road traffic management
3915:Motte-and-bailey castle
3621:Missile launch facility
3616:Main line of resistance
2311:
1052:Express-collector setup
802:"Water-filled Barriers"
319:Plastic Jersey barriers
125:Bakersfield, California
3991:Military installations
3855:
3836:
3827:
3818:
3736:
3407:
3382:
3358:
3348:Scarp and Counterscarp
3319:
3310:
3295:
3262:
3248:
3219:
3190:
3181:
3157:
3118:
2923:
2904:
2822:
2771:
2762:
2718:
2709:
2700:
2637:
2623:
2614:
2560:
2519:
2506:
2497:
2488:
2474:
2434:
2420:
2356:
2347:
2338:
2329:
2320:
2302:
2236:Road types by features
2131:Raised pavement marker
2098:Constant-slope barrier
2022:Traffic directionality
2012:Street running railway
1435:Protected intersection
371:Constant-slope barrier
332:
278:constant-slope barrier
241:
108:
42:
3760:Floating water castle
3491:Admiralty scaffolding
2784:Fortified buildings (
2093:Concrete step barrier
1430:Offset T-intersection
366:Concrete step barrier
326:
289:concrete step barrier
239:
219:hook-and-cable system
106:
40:
4103:Subterranean warfare
3056:Viking ring fortress
2136:Road surface marking
1834:Single-vehicle crash
1557:Full depth recycling
1455:Seagull intersection
622:"The Jersey Barrier"
532:"Concrete Barriers."
450:midstateconcrete.com
159:was first opened in
4202:Protective barriers
4192:Anti-tank obstacles
4187:American inventions
3920:Quadrangular castle
3656:Weapon storage area
3012:Quadrangular castle
1962:Pedestrian crossing
1525:Reinforced concrete
1361:Three-level diamond
1072:Two-lane expressway
1057:Farm-to-market road
494:Roads to the Future
309:Gardiner Expressway
305:400-series highways
161:Paramus, New Jersey
117:Tehachapi Mountains
99:Development and use
3651:Underground hangar
3436:Fire control tower
3233:Gunpowder magazine
2661:Butter-churn tower
1992:Runaway truck ramp
1814:Driver's education
1602:Rubberized asphalt
1537:Crocodile cracking
1460:Split intersection
1228:Hierarchy of roads
1189:Single carriageway
758:2010-06-14 at the
733:. 10 February 2010
680:Johnny on the Spot
558:. Border Group Ltd
537:2011-09-06 at the
333:
313:Don Valley Parkway
254:occupation of Iraq
242:
109:
43:
4174:
4173:
4098:Military urbanism
4032:Fortified gateway
3905:Concentric castle
3669:
3668:
3586:Fire support base
3426:Coastal artillery
3301:(Spanish America)
2895:
2737:Concentric castle
2244:
2243:
2052:Wide outside lane
1878:
1877:
1855:Automotive safety
1736:Road slipperiness
1483:
1482:
1331:Diverging diamond
1278:
1277:
1194:Single-track road
1136:Bicycle boulevard
731:Tamis Corporation
475:. 1997. Chapter 5
381:Impact attenuator
300:Ontario Tall Wall
211:front-end loaders
93:Ontario Tall Wall
67:head-on collision
16:(Redirected from
4219:
4163:
4162:
4156:
4047:National redoubt
3976:Fortified estate
3900:Circular rampart
3860:
3841:
3832:
3823:
3741:
3501:Anti-tank trench
3496:Air raid shelter
3471:
3431:Disappearing gun
3412:
3387:
3363:
3324:
3315:
3300:
3276:
3267:
3253:
3224:
3195:
3186:
3162:
3123:
3108:
3086:
3066:Bailey (or ward)
3032:
2937:Motte-and-bailey
2928:
2909:
2893:
2885:
2884:
2850:
2841:
2827:
2776:
2767:
2723:
2714:
2705:
2696:
2642:
2628:
2619:
2565:
2522:
2511:
2502:
2493:
2479:
2439:
2425:
2365:Circular rampart
2361:
2352:
2343:
2334:
2325:
2316:
2307:
2271:
2264:
2257:
2248:
2088:Cat's eye (road)
1909:Complete streets
1681:Dead Man's Curve
1644:
1582:Pavement milling
1497:Asphalt concrete
1440:Quadrant roadway
1381:
1303:
1289:
1255:Street hierarchy
903:Elevated highway
876:
853:
846:
839:
830:
818:
817:
815:
813:
798:
792:
791:
789:
787:
773:
767:
749:
743:
742:
740:
738:
723:
717:
716:
714:
712:
698:
692:
691:
689:
687:
672:
666:
665:
658:
652:
651:
644:
638:
637:
636:on June 9, 2010.
617:
608:
601:
595:
594:
578:
567:
566:
564:
563:
548:
542:
528:
522:
521:
511:
505:
504:
502:
500:
485:
476:
467:
461:
460:
458:
456:
444:TechXpress.net.
441:
435:
434:
432:
430:
421:
413:
258:Iraqi resistance
21:
4227:
4226:
4222:
4221:
4220:
4218:
4217:
4216:
4177:
4176:
4175:
4170:
4154:
4146:
4076:
4000:
3944:
3878:
3813:Imperial castle
3786:Coercion castle
3781:Coastal defence
3764:
3726:Promontory fort
3696:Hillside castle
3665:
3581:Fallout shelter
3546:Concertina wire
3526:Border security
3479:
3390:
3099:
2732:Coercion castle
2720:Cheval de frise
2702:Chemin de ronde
2550:Albarrana tower
2531:
2476:Schwedenschanze
2453:Promontory fort
2280:
2275:
2245:
2240:
2222:
2190:
2184:
2155:
2146:Traffic barrier
2106:F-Shape barrier
2061:
2017:Traffic calming
1977:Reversible lane
1967:Pedestrian zone
1952:Motorcycle lane
1914:Contraflow lane
1886:time allocation
1885:
1874:
1870:Underride guard
1838:
1800:
1686:Expansion joint
1648:
1638:
1631:
1617:Stamped asphalt
1479:
1410:Continuous flow
1383:
1379:
1378:
1370:
1304:
1300:grade-separated
1297:
1296:
1274:
1233:Private highway
1206:
1111:
1025:
907:
865:
857:
827:
822:
821:
811:
809:
800:
799:
795:
785:
783:
775:
774:
770:
760:Wayback Machine
750:
746:
736:
734:
725:
724:
720:
710:
708:
700:
699:
695:
685:
683:
682:. 30 March 2015
674:
673:
669:
660:
659:
655:
646:
645:
641:
619:
618:
611:
602:
598:
580:
579:
570:
561:
559:
550:
549:
545:
539:Wayback Machine
529:
525:
513:
512:
508:
498:
496:
487:
486:
479:
468:
464:
454:
452:
443:
442:
438:
428:
426:
419:
415:
414:
410:
405:
400:
396:Traffic bollard
391:Traffic barrier
376:F-shape barrier
346:
321:
296:Ontario, Canada
282:F-shape barrier
274:
101:
35:
28:
23:
22:
18:Jersey barriers
15:
12:
11:
5:
4225:
4223:
4215:
4214:
4209:
4204:
4199:
4194:
4189:
4179:
4178:
4172:
4171:
4169:
4168:
4151:
4148:
4147:
4145:
4144:
4143:
4142:
4132:
4130:Trench warfare
4127:
4125:Tunnel warfare
4122:
4121:
4120:
4110:
4105:
4100:
4095:
4090:
4084:
4082:
4078:
4077:
4075:
4074:
4069:
4064:
4059:
4054:
4049:
4044:
4039:
4034:
4029:
4024:
4019:
4014:
4008:
4006:
4002:
4001:
3999:
3998:
3993:
3988:
3983:
3981:Fortifications
3978:
3973:
3968:
3963:
3958:
3952:
3950:
3946:
3945:
3943:
3942:
3937:
3932:
3927:
3922:
3917:
3912:
3907:
3902:
3897:
3892:
3886:
3884:
3880:
3879:
3877:
3876:
3871:
3866:
3861:
3852:
3847:
3842:
3833:
3824:
3815:
3810:
3805:
3798:
3793:
3791:Counter-castle
3788:
3783:
3778:
3776:Border barrier
3772:
3770:
3766:
3765:
3763:
3762:
3757:
3752:
3747:
3742:
3733:
3728:
3723:
3718:
3713:
3711:Lowland castle
3708:
3703:
3701:Hilltop castle
3698:
3693:
3688:
3683:
3677:
3675:
3671:
3670:
3667:
3666:
3664:
3663:
3658:
3653:
3648:
3643:
3638:
3633:
3628:
3623:
3618:
3613:
3608:
3603:
3598:
3593:
3588:
3583:
3578:
3576:Electric fence
3573:
3568:
3566:Dragon's teeth
3563:
3561:Czech hedgehog
3558:
3553:
3548:
3543:
3538:
3533:
3528:
3523:
3518:
3513:
3508:
3503:
3498:
3493:
3487:
3485:
3481:
3480:
3478:
3477:
3475:Wire obstacles
3472:
3463:
3461:Polygonal fort
3458:
3453:
3451:Martello tower
3448:
3443:
3438:
3433:
3428:
3423:
3418:
3416:Border outpost
3413:
3404:
3398:
3396:
3392:
3391:
3389:
3388:
3379:
3374:
3369:
3364:
3355:
3350:
3345:
3340:
3335:
3330:
3325:
3316:
3307:
3302:
3292:
3290:Polygonal fort
3287:
3282:
3277:
3268:
3259:
3254:
3245:
3240:
3235:
3230:
3225:
3216:
3211:
3206:
3201:
3196:
3187:
3178:
3173:
3168:
3163:
3154:
3149:
3144:
3139:
3134:
3129:
3124:
3114:
3112:
3105:
3101:
3100:
3098:
3097:
3092:
3087:
3078:
3073:
3068:
3063:
3058:
3053:
3048:
3043:
3038:
3033:
3024:
3019:
3014:
3009:
3004:
2999:
2994:
2989:
2984:
2979:
2974:
2969:
2964:
2959:
2954:
2949:
2944:
2939:
2934:
2929:
2920:
2915:
2910:
2901:
2896:
2876:
2871:
2866:
2861:
2856:
2851:
2842:
2833:
2828:
2819:
2814:
2809:
2802:
2797:
2782:
2780:Flanking tower
2777:
2768:
2759:
2754:
2749:
2747:Counter-castle
2744:
2739:
2734:
2729:
2724:
2715:
2706:
2697:
2688:
2683:
2678:
2673:
2668:
2663:
2658:
2653:
2648:
2643:
2634:
2629:
2620:
2611:
2606:
2601:
2596:
2591:
2586:
2581:
2576:
2571:
2566:
2557:
2552:
2547:
2541:
2539:
2537:Post-classical
2533:
2532:
2530:
2529:
2527:Vitrified fort
2524:
2512:
2503:
2494:
2485:
2480:
2471:
2466:
2460:
2455:
2450:
2445:
2440:
2431:
2426:
2417:
2412:
2407:
2402:
2397:
2392:
2387:
2385:Defensive wall
2382:
2377:
2372:
2367:
2362:
2353:
2344:
2335:
2326:
2317:
2308:
2299:
2294:
2288:
2286:
2282:
2281:
2278:Fortifications
2276:
2274:
2273:
2266:
2259:
2251:
2242:
2241:
2239:
2238:
2233:
2227:
2224:
2223:
2221:
2220:
2215:
2210:
2205:
2200:
2194:
2192:
2186:
2185:
2183:
2182:
2177:
2172:
2167:
2163:
2161:
2157:
2156:
2154:
2153:
2148:
2143:
2138:
2133:
2128:
2123:
2118:
2116:Jersey barrier
2113:
2108:
2103:
2100:
2095:
2090:
2085:
2080:
2075:
2069:
2067:
2063:
2062:
2060:
2059:
2054:
2049:
2047:Unused highway
2044:
2039:
2034:
2029:
2027:Traffic island
2024:
2019:
2014:
2009:
2004:
1999:
1994:
1989:
1984:
1979:
1974:
1969:
1964:
1959:
1954:
1949:
1944:
1939:
1934:
1931:
1926:
1921:
1916:
1911:
1906:
1901:
1896:
1890:
1888:
1880:
1879:
1876:
1875:
1873:
1872:
1867:
1862:
1857:
1852:
1846:
1844:
1840:
1839:
1837:
1836:
1831:
1826:
1824:Drowsy driving
1821:
1816:
1810:
1808:
1802:
1801:
1799:
1798:
1793:
1788:
1783:
1778:
1773:
1768:
1763:
1758:
1753:
1748:
1743:
1738:
1733:
1728:
1723:
1718:
1713:
1708:
1706:Level crossing
1703:
1698:
1693:
1688:
1683:
1678:
1673:
1668:
1663:
1658:
1652:
1650:
1641:
1633:
1632:
1630:
1629:
1624:
1619:
1614:
1609:
1604:
1599:
1594:
1589:
1584:
1579:
1574:
1569:
1564:
1559:
1554:
1549:
1544:
1539:
1534:
1529:
1528:
1527:
1517:
1512:
1507:
1504:
1499:
1493:
1491:
1485:
1484:
1481:
1480:
1478:
1477:
1472:
1467:
1462:
1457:
1452:
1447:
1442:
1437:
1432:
1427:
1422:
1417:
1412:
1407:
1405:Channelization
1402:
1397:
1392:
1390:3-way junction
1386:
1384:
1375:
1372:
1371:
1369:
1368:
1363:
1358:
1353:
1348:
1343:
1338:
1333:
1328:
1323:
1318:
1313:
1307:
1305:
1292:
1286:
1284:Road junctions
1280:
1279:
1276:
1275:
1273:
1272:
1267:
1262:
1257:
1252:
1251:
1250:
1248:business route
1245:
1235:
1230:
1225:
1220:
1214:
1212:
1208:
1207:
1205:
1204:
1199:
1196:
1191:
1186:
1181:
1178:
1176:Primitive road
1173:
1168:
1163:
1158:
1153:
1148:
1143:
1138:
1133:
1128:
1123:
1119:
1117:
1113:
1112:
1110:
1109:
1104:
1099:
1094:
1089:
1084:
1079:
1074:
1069:
1064:
1059:
1054:
1049:
1047:County highway
1044:
1042:Collector road
1039:
1033:
1031:
1027:
1026:
1024:
1023:
1018:
1016:United Kingdom
1013:
1008:
1003:
998:
993:
988:
983:
978:
973:
968:
963:
958:
953:
951:Czech Republic
948:
943:
938:
933:
928:
923:
917:
915:
909:
908:
906:
905:
900:
895:
890:
884:
882:
880:Limited-access
873:
867:
866:
858:
856:
855:
848:
841:
833:
826:
825:External links
823:
820:
819:
806:Plastic Jersey
793:
768:
744:
718:
693:
667:
653:
639:
609:
596:
568:
556:Jersey Barrier
543:
523:
506:
477:
462:
436:
407:
406:
404:
401:
399:
398:
393:
388:
383:
378:
373:
368:
363:
358:
353:
347:
345:
342:
320:
317:
273:
270:
121:Central Valley
100:
97:
47:Jersey barrier
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
4224:
4213:
4210:
4208:
4205:
4203:
4200:
4198:
4195:
4193:
4190:
4188:
4185:
4184:
4182:
4167:
4166:
4153:
4152:
4149:
4141:
4138:
4137:
4136:
4135:Urban warfare
4133:
4131:
4128:
4126:
4123:
4119:
4116:
4115:
4114:
4111:
4109:
4106:
4104:
4101:
4099:
4096:
4094:
4091:
4089:
4088:Civil defense
4086:
4085:
4083:
4079:
4073:
4070:
4068:
4065:
4063:
4060:
4058:
4055:
4053:
4050:
4048:
4045:
4043:
4040:
4038:
4035:
4033:
4030:
4028:
4025:
4023:
4020:
4018:
4015:
4013:
4010:
4009:
4007:
4003:
3997:
3994:
3992:
3989:
3987:
3984:
3982:
3979:
3977:
3974:
3972:
3969:
3967:
3964:
3962:
3959:
3957:
3956:Bastion forts
3954:
3953:
3951:
3947:
3941:
3940:Z-plan castle
3938:
3936:
3933:
3931:
3928:
3926:
3923:
3921:
3918:
3916:
3913:
3911:
3910:L-plan castle
3908:
3906:
3903:
3901:
3898:
3896:
3895:Bridge castle
3893:
3891:
3888:
3887:
3885:
3881:
3875:
3872:
3870:
3867:
3865:
3864:Refuge castle
3862:
3859:
3858:
3853:
3851:
3848:
3846:
3845:Military base
3843:
3840:
3839:
3834:
3831:
3830:
3825:
3822:
3821:
3816:
3814:
3811:
3809:
3808:Hunting lodge
3806:
3804:
3803:
3799:
3797:
3794:
3792:
3789:
3787:
3784:
3782:
3779:
3777:
3774:
3773:
3771:
3767:
3761:
3758:
3756:
3753:
3751:
3748:
3746:
3743:
3740:
3739:
3734:
3732:
3729:
3727:
3724:
3722:
3721:Moated castle
3719:
3717:
3714:
3712:
3709:
3707:
3706:Island castle
3704:
3702:
3699:
3697:
3694:
3692:
3689:
3687:
3684:
3682:
3679:
3678:
3676:
3674:By topography
3672:
3662:
3659:
3657:
3654:
3652:
3649:
3647:
3646:Submarine pen
3644:
3642:
3639:
3637:
3634:
3632:
3629:
3627:
3624:
3622:
3619:
3617:
3614:
3612:
3609:
3607:
3604:
3602:
3601:Hesco bastion
3599:
3597:
3594:
3592:
3589:
3587:
3584:
3582:
3579:
3577:
3574:
3572:
3569:
3567:
3564:
3562:
3559:
3557:
3554:
3552:
3549:
3547:
3544:
3542:
3539:
3537:
3534:
3532:
3529:
3527:
3524:
3522:
3519:
3517:
3516:Blast shelter
3514:
3512:
3509:
3507:
3504:
3502:
3499:
3497:
3494:
3492:
3489:
3488:
3486:
3482:
3476:
3473:
3470:
3469:
3464:
3462:
3459:
3457:
3454:
3452:
3449:
3447:
3444:
3442:
3439:
3437:
3434:
3432:
3429:
3427:
3424:
3422:
3419:
3417:
3414:
3411:
3410:
3405:
3403:
3400:
3399:
3397:
3393:
3386:
3385:
3380:
3378:
3375:
3373:
3370:
3368:
3365:
3362:
3361:
3356:
3354:
3351:
3349:
3346:
3344:
3341:
3339:
3336:
3334:
3331:
3329:
3326:
3323:
3322:
3317:
3314:
3313:
3308:
3306:
3303:
3299:
3298:
3293:
3291:
3288:
3286:
3285:Place-of-arms
3283:
3281:
3278:
3275:
3274:
3269:
3266:
3265:
3260:
3258:
3255:
3252:
3251:
3246:
3244:
3241:
3239:
3236:
3234:
3231:
3229:
3226:
3223:
3222:
3217:
3215:
3212:
3210:
3207:
3205:
3202:
3200:
3197:
3194:
3193:
3188:
3185:
3184:
3179:
3177:
3174:
3172:
3169:
3167:
3164:
3161:
3160:
3155:
3153:
3150:
3148:
3145:
3143:
3140:
3138:
3135:
3133:
3130:
3128:
3125:
3122:
3121:
3116:
3115:
3113:
3109:
3106:
3102:
3096:
3093:
3091:
3088:
3085:
3084:
3079:
3077:
3074:
3072:
3069:
3067:
3064:
3062:
3059:
3057:
3054:
3052:
3049:
3047:
3044:
3042:
3039:
3037:
3034:
3031:
3030:
3025:
3023:
3020:
3018:
3015:
3013:
3010:
3008:
3005:
3003:
3000:
2998:
2995:
2993:
2990:
2988:
2985:
2983:
2980:
2978:
2975:
2973:
2970:
2968:
2965:
2963:
2960:
2958:
2955:
2953:
2950:
2948:
2945:
2943:
2940:
2938:
2935:
2933:
2930:
2927:
2926:
2921:
2919:
2918:Machicolation
2916:
2914:
2913:L-plan castle
2911:
2908:
2907:
2902:
2900:
2897:
2892:
2891:
2883:
2882:
2877:
2875:
2872:
2870:
2867:
2865:
2862:
2860:
2857:
2855:
2852:
2849:
2848:
2843:
2840:
2839:
2834:
2832:
2829:
2826:
2825:
2820:
2818:
2815:
2813:
2810:
2808:
2807:
2803:
2801:
2798:
2795:
2791:
2787:
2783:
2781:
2778:
2775:
2774:
2769:
2766:
2765:
2760:
2758:
2755:
2753:
2750:
2748:
2745:
2743:
2740:
2738:
2735:
2733:
2730:
2728:
2725:
2722:
2721:
2716:
2713:
2712:
2707:
2704:
2703:
2698:
2695:
2694:
2689:
2687:
2684:
2682:
2679:
2677:
2674:
2672:
2669:
2667:
2664:
2662:
2659:
2657:
2654:
2652:
2649:
2647:
2646:Bridge castle
2644:
2641:
2640:
2635:
2633:
2630:
2627:
2626:
2621:
2618:
2617:
2612:
2610:
2609:Bent entrance
2607:
2605:
2602:
2600:
2597:
2595:
2594:Battery tower
2592:
2590:
2587:
2585:
2582:
2580:
2577:
2575:
2572:
2570:
2567:
2564:
2563:
2558:
2556:
2553:
2551:
2548:
2546:
2545:Advanced work
2543:
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2126:Noise barrier
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2083:Cable barrier
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2032:Traffic lanes
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2020:
2018:
2015:
2013:
2010:
2008:
2005:
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1998:
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1972:Refuge island
1970:
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1937:Living street
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1904:Climbing lane
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1806:Human factors
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1771:Traffic light
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1721:Oversize load
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1711:Manhole cover
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1542:Crushed stone
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1425:Michigan left
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1398:
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1377:Intersections
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1326:Directional T
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1243:special route
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1161:Frontage road
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1037:Arterial road
1035:
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1021:United States
1019:
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871:Types of road
868:
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808:. 19 May 2018
807:
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766:. 2004-04-05.
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361:Cable barrier
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196:Massachusetts
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113:U.S. Route 99
105:
98:
96:
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83:
78:
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72:
68:
64:
60:
57:is a modular
56:
52:
48:
39:
33:
19:
4158:
4113:Siege engine
4081:Other topics
4005:Related word
3971:Defense line
3935:Tower castle
3890:Bastion fort
3874:Urban castle
3802:Ganerbenburg
3800:
3755:Water castle
3731:Ridge castle
3716:Marsh castle
3531:Bomb shelter
3511:Belgian gate
3484:20th century
3395:19th century
3333:Retrenchment
3305:Punji sticks
3214:Entrenchment
3209:Device Forts
3176:Counterguard
3111:Early modern
3041:Tower castle
2977:Powder tower
2952:Outer bailey
2864:Inner bailey
2838:Gulyay-gorod
2806:Ganerbenburg
2804:
2800:Fujian tulou
2742:Corner tower
2681:Chamber gate
2651:Bridge tower
2499:Trou de loup
2151:Traffic cone
2141:Rumble strip
2115:
2042:Truck bypass
1997:Shared space
1957:Passing lane
1942:Managed lane
1899:Bicycle lane
1781:Washboarding
1776:Traffic sign
1701:Hairpin turn
1470:Texas U-turn
1400:Box junction
1294:Interchanges
1238:Route number
1146:Country lane
888:Bike freeway
812:27 September
810:. Retrieved
805:
796:
786:27 September
784:. Retrieved
780:
771:
763:
747:
737:27 September
735:. Retrieved
730:
721:
711:27 September
709:. Retrieved
705:
696:
686:27 September
684:. Retrieved
679:
670:
656:
647:
642:
634:the original
629:
625:
599:
590:
587:Public Roads
586:
560:. Retrieved
555:
546:
526:
515:
509:
499:27 September
497:. Retrieved
493:
471:
465:
455:27 September
453:. Retrieved
449:
439:
427:. Retrieved
411:
386:Median strip
337:polyethylene
334:
299:
293:
286:
275:
262:
243:
223:
208:
188:semi-trailer
181:
165:
153:
149:
129:
110:
92:
90:
81:
79:
54:
50:
46:
44:
4207:Road safety
4012:Castle town
3869:Toll castle
3838:Lustschloss
3820:Kaiserpfalz
3750:Spur castle
3745:Rock castle
3686:Hill castle
3681:Cave castle
3641:Spider hole
3541:Bremer wall
3506:Barbed tape
3402:Barbed wire
3076:Witch tower
3046:Tower house
3036:Toll castle
3022:Shield wall
2942:Murder hole
2831:Guard tower
2448:Pincer gate
2395:Faussebraye
2189:Performance
2121:Kassel kerb
2078:Botts' dots
2066:Demarcation
1766:Storm drain
1731:Road debris
1656:Aquaplaning
1649:environment
1637:Road safety
1515:Cobblestone
1465:Superstreet
1270:Winter road
1218:Concurrency
1211:Other terms
1202:Sunken lane
1171:Main street
1116:Local roads
356:Bremer wall
172:sheet-metal
157:Bergen Mall
55:Jersey bump
51:Jersey wall
4181:Categories
4037:Gatekeeper
3857:Ordensburg
3829:Landesburg
3636:Sentry gun
3591:Flak tower
3521:Blast wall
3441:Gun turret
3338:Sally port
3243:Kotta mara
3183:Couvreface
3147:Breastwork
3142:Blockhouse
3120:Abwurfdach
3071:Watchtower
3061:Wall tower
3017:Shell keep
2967:Portcullis
2962:Peel tower
2947:Neck ditch
2906:Landesburg
2854:Half tower
2812:Gate tower
2757:Drawbridge
2599:Battlement
2515:Wagon fort
2358:Chengqiang
2191:indicators
2160:Structures
2111:Guard rail
1987:Road verge
1860:Seat belts
1796:Snowsquall
1761:Speed bump
1741:Road train
1562:Glassphalt
1502:Bioasphalt
1475:Turnaround
1450:Roundabout
1380:(at-grade)
1346:Roundabout
1311:Cloverleaf
1166:Green lane
1102:Trunk road
1030:Main roads
913:By country
562:2019-10-01
403:References
272:Variations
200:New Jersey
136:New Jersey
75:New Jersey
4140:Guerrilla
3883:By design
3631:Revetment
3446:Land mine
3377:Star fort
3204:Crownwork
3199:Covertway
3132:Barricade
2773:Embrasure
2686:Chartaque
2616:Bergfried
2574:Arrowslit
2400:Gatehouse
2370:City gate
2331:Castellum
2297:Acropolis
1982:Road diet
1884:Space and
1829:Road rage
1716:Oil spill
1676:Crosswind
1666:Black ice
1661:Avalanche
1587:Permeable
1420:Jughandle
1415:Hook turn
1321:Free-flow
1265:Toll road
1184:Side road
1141:Boulevard
1097:Super two
1092:Ring road
1067:Link road
966:Hong Kong
921:Australia
863:hierarchy
781:MARKSTAAR
329:Hong Kong
221:lifting.
168:collision
123:south of
4165:Category
4155:See also
4042:Loophole
3930:Ringwork
3925:Ringfort
3850:Obstacle
3691:Hillfort
3611:Loophole
3409:Barbette
3384:Tenaille
3367:Sea fort
3297:Presidio
3257:Magazine
3238:Hornwork
3171:Cavalier
3166:Casemate
3159:Caponier
3002:Ringwork
2890:Detinets
2859:Hoarding
2764:Enceinte
2639:Bretèche
2584:Bartizan
2579:Barbican
2555:Alcazaba
2483:Stockade
2463:Ringfort
2443:Palisade
2415:Landwehr
2410:Hillfort
2170:Causeway
2007:Shoulder
1843:Vehicles
1791:Whiteout
1751:Rockfall
1746:Roadkill
1671:Bleeding
1647:Road and
1607:Sealcoat
1532:Corduroy
1520:Concrete
1510:Chipseal
1489:Surfaces
1341:Raindrop
1156:Driveway
1151:Dead end
1131:Backroad
1082:2+2 road
1077:2+1 road
1001:Portugal
991:Pakistan
756:Archived
535:Archived
344:See also
280:and the
192:New York
59:concrete
4072:Vedette
4062:Schloss
4027:Festung
4022:Dungeon
4017:Château
3961:Castles
3769:By role
3626:Pillbox
3456:Outpost
3372:Station
3360:Schanze
3343:Sandbag
3328:Redoubt
3312:Ravelin
3280:Palanka
3264:Orillon
3250:Lunette
3192:Coupure
3137:Bastion
3127:Arsenal
3095:Zwinger
3007:Roundel
2997:Ricetto
2972:Postern
2957:Outwork
2881:Kremlin
2752:Curtain
2727:Citadel
2711:Chemise
2671:Caltrop
2589:Bastion
2562:Alcázar
2458:Rampart
2436:Oppidum
2429:Nuraghe
2375:Crannog
2349:Castros
2285:Ancient
2073:Bollard
2057:Woonerf
1786:Washout
1726:Pothole
1639:factors
1627:Texture
1597:Plastic
1577:Macadam
1366:Trumpet
1316:Diamond
1087:Parkway
1062:Highway
976:Ireland
956:Germany
946:Croatia
926:Belgium
335:Hollow
331:, 2008)
250:chicane
119:in the
71:highway
63:traffic
4067:Trench
4057:Picket
3468:Sangar
3421:Bunker
3353:Sconce
3273:Ostrog
3221:Flèche
3104:Modern
3083:Yagura
3051:Turret
2987:Reduit
2925:Merlon
2869:Kasbah
2847:Gusuku
2824:Glacis
2817:Gabion
2786:church
2693:Chashi
2676:Castle
2520:Laager
2508:Vallum
2465:(Rath)
2340:Castra
2322:Burgus
2292:Abatis
2166:Bridge
1850:Airbag
1622:Tarmac
1567:Gravel
1395:Bowtie
1336:Parclo
1260:Stroad
1223:Detour
1198:Street
1126:Avenue
1011:Taiwan
996:Poland
961:Greece
936:Canada
931:Brazil
751:FHWA.
429:31 May
298:, the
82:K-rail
4108:Siege
4052:Palas
3996:Walls
3986:Forts
3949:Lists
3796:Fence
3738:Rocca
3606:Kabal
3321:Redan
3228:Gorge
3152:Canal
3029:Shiro
2992:Ribat
2982:Qalat
2794:Dzong
2790:house
2490:Sudis
2422:Limes
2380:Ditch
2313:Broch
2304:Agger
1592:Plank
1506:Brick
1356:Stack
1122:Alley
1006:Spain
986:Nepal
981:Italy
971:India
941:China
605:"FAQ"
420:(PDF)
215:rebar
176:tires
53:, or
4118:list
3536:Buoy
3090:Yett
2932:Moat
2899:Ksar
2874:Keep
2666:Caer
2656:Burh
2632:Boom
2625:Berm
2604:Bawn
2569:Amba
2405:Gord
2102:Curb
1933:Lane
1696:Ford
1612:Sett
1552:Dirt
1180:Road
860:Road
814:2018
788:2018
739:2018
713:2018
688:2018
501:2018
457:2018
431:2020
311:and
263:The
224:The
198:and
182:The
2390:Dun
1756:Rut
1691:Fog
1572:Ice
4183::
4157::
2792:,
2788:,
804:.
779:.
762:.
729:.
704:.
678:.
630:22
628:.
624:.
612:^
591:63
589:.
585:.
571:^
554:.
492:.
480:^
448:.
422:.
315:.
291:.
260:.
233:.
206:.
194:,
134:,
49:,
45:A
2894:)
2886:(
2796:)
2523:)
2517:(
2270:e
2263:t
2256:v
1302:)
1298:(
852:e
845:t
838:v
816:.
790:.
741:.
715:.
690:.
664:.
565:.
503:.
459:.
433:.
34:.
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
