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assigned to the southern and western half. Both halves are posted with east and west directions on their entire lengths. However, the milemarkers for those
Interstates treat them as a single highway, beginning at the Minnesota River bridge on I-494, increasing going clockwise and including I-694,
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Most beltways in the United States do not use inner–outer directions, since compass directions are the predominant way to designate direction on numbered routes. Beltways with a single number for the entire route, such as
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area, are generally given compass directions that change as one travels along the route (what would be the inner loop is instead posted as north, then east, then south, then west, and vice versa for the outer loop).
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Variations of the labels include "inner loop" or "outer loop", "inner beltline" or "outer beltline", "inner ring" or "outer ring", "inner rail" or "outer rail", and "inner circle" or "outer circle".
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which was numbered before it was common to use a single number for an entire beltway. That road is split into northern and southern halves for numbering purposes, with
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Despite the logical benefits and uniformity of inner/outer labeling, many find the concept confusing, especially those in nations where compass directions (e.g.,
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Inner and outer directions may be used as the primary labeling system for routes or as a system secondary to another system such as compass directions.
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direction around a loop will always be in the "inner" lane(s) (assuming that there is no lane crossing). Likewise, traffic traveling in a
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direction will always be in the "outer" lane(s). "Inner" and "outer" labels stem from this reasoning, applying the concept of
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71:, where east–west and north–south orientations cannot be applied uniformly. The labels are also used in select
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40:, traffic flows clockwise in the inner lanes (blue) of a beltway and counterclockwise in the outer lanes (red).
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is denoted by the letter "A", while counterclockwise traffic is denoted by the letter "B".
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are labels that identify the direction of travel on opposing lanes of traffic on certain
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In nations where automobiles drive on the right side of a road, traffic traveling in a
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522:"Transport Department - HK Strategic Route, Exit Number and Chainage Marker System"
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are secondary to compass directions, which change as one travels along the loop.
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Dr. Traffic (May 14, 2006). "Making heads or tails of inner, outer loops".
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employs yet another method of orbital road signing: clockwise traffic on
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or beltways. They can be used to sign individual routes that encircle a
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270:) labelling. Roads in France are not given compass directions.
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to the geographic characteristics of circular road or rail.
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Method of labeling direction of travel for geographic loops
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Right-hand traffic (the inner loop is clockwise) :
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Left-hand traffic (the outer loop is clockwise) :
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278:An "Inner Circle" train (note signage) arrives at
209:returning to the Minnesota River bridge on I-494.
204:assigned to the northern and eastern half and
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338:Charlotte, North Carolina, metropolitan area
573:Teresco: I-695 pic (Accessed Dec 27, 2006)
482:Photo Gallery - Monroe County | Inner Loop
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262:is signed with inner and outer (French:
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7:
196:A special case is the beltway for
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555:Southeast Roads: Athens Loop Pic
421:London Underground's Circle line
402:Interstate 495 (Capital Beltway)
350:, North Carolina, United States
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303:Georgia State Route 10 Loop
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280:West Street subway station
136:Criticism and alternatives
396:Secondary labeling system
94:Charlotte, North Carolina
156:, which is encircled by
560:March 11, 2007, at the
530:Government of Hong Kong
442:Raleigh, North Carolina
294:Primary labeling system
220:, Japan uses the terms
592:Inner–outer directions
510:Kurumi: Interstate 285
496:The Charlotte Observer
432:Former labeling system
324:Boulevard Périphérique
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256:Boulevard Périphérique
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57:Inner–outer directions
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594:at Wikimedia Commons
346:partially encircling
313:Hampton Roads Beltway
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526:Transport Department
236:Transport Department
18:Inner/Outer labeling
416:Baltimore, Maryland
354:Seoul Subway Line 2
319:area, United States
170:Rochester, New York
162:Sam Houston Tollway
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38:drive on the right
590:Media related to
536:on April 29, 2014
69:metropolitan area
50:drive on the left
16:(Redirected from
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532:. Archived from
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406:Washington, D.C.
348:Uptown Charlotte
226:counterclockwise
130:concentric loops
126:counterclockwise
114:Washington, D.C.
48:In nations that
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385:Osaka Loop Line
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336:encircling the
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307:Athens, Georgia
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440:encircling
414:encircling
404:encircling
305:encircling
198:Twin Cities
607:Ring roads
601:Categories
470:References
464:Roundabout
371:, Scotland
214:Meijō Line
166:Inner Loop
61:ring roads
540:April 29,
459:Ring road
427:, England
268:extérieur
264:intérieur
232:Hong Kong
222:clockwise
168:(like in
122:clockwise
88:In 2009,
558:Archived
453:See also
330:, France
246:Examples
160:and the
528:of the
391:, Japan
381:, Japan
360:, Korea
326:around
282:on the
258:around
240:Route 9
190:Atlanta
188:in the
154:Houston
112:around
100:Concept
425:London
218:Nagoya
389:Osaka
379:Tokyo
358:Seoul
328:Paris
178:outer
174:inner
542:2014
322:The
266:and
254:The
224:and
212:The
176:and
146:west
144:and
142:east
108:The
80:loop
65:city
387:in
377:in
356:in
234:'s
216:in
92:in
67:or
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20:)
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