423:(both green). In the 1980s the MUTCD was revised so that these signs were no longer eligible for federal funds. On August 27, 1993, the decision was made to stop producing colored signs. In California, the design is more like the pre-1961 version. The design has no black background on their U.S. Highway shield. It is instead designed with a white shield with a black outline. Centered on the top are the letters "US". Some states that are part of the
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legislatures had also legally bound state route numbers to certain corridors, and it was thought that including the state name might make the legislators more amenable to renumbering them to U.S. Route numbers. The following day, August 4, upon a motion of Robert M. Morton of
California, the U.S. shield including the state name was approved without debate.
296:
routes, eliminating the need to use the condensed fonts for many route numbers. The 1971 MUTCD also discontinued the 16-by-16-inch (41 cm × 41 cm) cutout shield for reassurance purposes, leaving only the 24-by-24-inch (61 cm × 61 cm) and 24-by-30-inch (61 cm × 76 cm) markers for all purposes.
56:-shaped sign. Over time, the shield has been simplified to consist of a white shield outline on a black square background, containing only a black route number. However, because each state is responsible for the production and maintenance of U.S. Route shields, several variants of the shield have existed over the years.
172:
The name of the state erecting the shield was displayed 2 inches (5.1 cm) high in the crown, above the crossbar. Immediately below the crossbar were the letters "U S", also 2 inches (5.1 cm) high. Below this was the route number, 5 inches (13 cm) tall. A variant of the shield, intended
155:(AASHO). The background of the shield was specified as white while the text legend and borders were black. The shield was specified with a height of 16 inches (41 cm) and a width of 16.5 inches (42 cm). The surface of the shield was itself in the shape of the shield, that is, the metal was
120:
of
Oklahoma, the board officially adopted the shield proposed at the April 21 meeting, having received general support from the states. A debate then ensued regarding the inclusion of the state name. W.O. Hotchkiss of Wisconsin, who was in favor of removing the state name, said "We want to emphasize
270:
with
Interstates). This shield, the same size as the oversize marker, was a simplified cutout shield, containing only the outer border, "U S", and the route marker. Unlike the federally specified shields up to this point, this specification included a wider version, 28 by 24 inches (71 cm
112:
The Joint Board did not discuss the route shield further until the next day, April 21. At that time, E.W. James (Chief of the BPR's
Division of Design and secretary of the Joint Board) and Frank F. Rogers of Michigan sketched a possible implementation of the shield. Rogers was also quoted as saying
237:
The 1948 MUTCD also included a specification for an "oversize" route marker, intended for major highway junctions in rural areas, as well as for special emphasis in urban areas. This shield was printed on a square blank, 24 by 24 inches (61 cm × 61 cm), twice the size of the cutout
124:
Outside of the official meeting, members of the board discussed the state name issue further. Some members, particularly those from the South, felt it would be difficult to get local support for the U.S. Route System without it, because the states were required to pay for the signage. Some state
459:
On some
Business U.S. Routes in Illinois, mostly on Business US 51 in the Bloomington–Normal area, the standard black on white US Route shield is used but the abbreviation "BUSN" is included in smaller letters at the top of the shield. This is also the case for the markers used on signs on
299:
In the 2009 MUTCD, the U.S. Route shield is assigned catalog number M1-4 and is discussed in
Section 2D.11. The 24-by-24-inch (61 cm × 61 cm) and 24-by-30-inch (61 cm × 76 cm) sizes are specified as minimums. The MUTCD suggests that when used as components of guide
295:
The current design of the U.S. Route shield was introduced in the 1971 MUTCD. The shield outline is slightly modified from the 1961 version, allowing for more white space within the shield. For the first time, the federal specification also included a wide version of the shield for three-digit
430:
During the era of the 1948 shield, states often modified its design. Several states omitted the letters "U S", leaving only the state name and route number. Other states moved the letters "U S" into the crown of the shield, along with the state name, which was often abbreviated.
201:
inches (29.8 cm × 28.8 cm). This version of the shield featured a simplified legend, with "U S" moved to the crown of the shield and the state name omitted. The manual also allowed for the city variant of the shield to be stenciled on culverts and bridge posts.
113:"Each state should have the right to insert the name of the state in the upper part of the shield to be adopted." James and Rogers presented their shield sketch to the board, and it was approved as a tentative design. Samples were sent for comment to all 48 states.
52:. Since the first U.S. Route signs were installed in 1926, the general idea has remained the same, but many changes have been made in the details. Originally, the shield included the name of the state in which the sign was erected and the letters "U S" on a
304:, which consistently includes the black background on both U.S. Route shields and state route markers on its guide signs, though inclusion of the background and thinning is being phased out on many new sign installations in New Jersey as of the late 2000s.
448:. These routes typically use the same shield as the mainline route with a "banner" indicating the type of route above the shield. Some states will occasionally indicate the type of the route directly on the shield itself, often in the crown of the shield.
209:
typefaces, several levels of condensation were available, from Series A (the narrowest) up to Series F (the widest). Because the standardized font was often made available to the states in die-punch form, shields were usually
415:, too, used colored signs for its U.S. Highways beginning in 1956, with each highway retaining a single color for its entire length in the state. No two routes using the same color crossed, though an extension of
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494:
152:
254:
The next version of the MUTCD, the 1961 edition, made further alterations to the U.S. route shield. The 16-by-16-inch (41 cm × 41 cm) cutout shield was retained, but its use was restricted to
407:
Several states have experimented with variations on the U.S. Route shield to aid in navigation. Some have used color to denote additional information besides just the route class and number.
894:
238:
shield. This version of the shield was much simplified, with the crossbar, state name, and "U S" omitted. The portion of the blank falling outside of the shield outline was white.
259:
contexts. Turn, junction, and trailblazer shields were to always use the oversize marker, which had been modified to use a black, rather than white, background surrounding the shield.
230:
The 1948 edition of the MUTCD introduced the first change to the U.S. Route shield since its appearance in the 1927 AASHO manual. The old block typefaces were replaced by the modern
854:
587:
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experimented with colors indicating the signed cardinal direction of the highway (orange for north, green for south, brown for east, and blue for west).
147:
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271:× 61 cm) for three-digit routes. This version of the shield is still used in California, the only state to still specify a cutout shield.
250:
Modern (left) and 1961 (right) shields in
Newcastle, Oklahoma; the older shield uses the FHWA Series A typeface, which has since been discontinued.
1509:
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signs, the black background of the shields should be omitted, leaving only the white shield shape. However, deviations are common, especially in
424:
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A standardized block typeface was used to simplify the painting process, to allow illiterate signpainters to be employed. Much like the modern
234:
typefaces, which had since been developed. The shield shape and size, letter height, and layout was otherwise identical to the prior version.
930:
916:
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inch (0.95 cm) formed the outline of the shield, with a crossbar of the same width dividing the crown from the main body of the shield.
633:
American
Association of State Highway Officials; Institute of Traffic Engineers; National Conference on Street and Highway Safety (1948).
137:
Example of an original U.S. Route shield, with the state name of "Michigan" and route number of "27" displayed in the original block font
335:
121:
the U.S., not the state. The shield and U.S. symbolized what we are marking." The Joint Board voted 10–9 to eliminate the state name.
82:
763:
357:
109:, with the letters "U.S.A." and the route number as a route marker. The board carried the motion to use a shield as the marker.
106:
49:
888:
536:
339:
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720:
National Joint
Committee on Uniform Traffic Control Devices; American Association of State Highway Officials (1971).
665:
National Joint
Committee on Uniform Traffic Control Devices; American Association of State Highway Officials (1961).
328:
909:
474:
263:
211:
90:
266:, also published in 1961, included a variant of the shield intended for freeway use (such as for U.S. routes
616:
597:
Manual and Specifications for the Manufacture, Display, and Erection of U.S. Standard Road Markers and Signs
143:
Manual and Specifications for the Manufacture, Display, and Erection of U.S. Standard Road Markers and Signs
591:
94:
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102:
53:
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101:, on April 20, 1925, board member Lou A. Boulay of Ohio was credited with suggesting the use of a
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are no longer a part of the system. Highlighted routes are considered main routes of the system.
226:
1948-style shields for US 6 and US 202 in Connecticut, with the state name abbreviated
93:, for the purposes of establishing a nationwide highway system. During the meeting, held at the
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feature U.S. Highway signs with blue numbers on a white shield, set against a blue background.
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Manual for Signing and Pavement for the National System of Interstate and Defense Highways
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A supplemental AASHO publication outlining signage and pavement markings on the nascent
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701:(1961 ed.). Washington, D.C.: American Association of State Highway Officials.
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600:(1st ed.). Washington, D.C.: American Association of State Highway Officials.
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The original design of the shield was presented in the January 1927 edition of the
133:
74:
32:
17:
456:, reflecting a similar practice used nationwide for business Interstate shields.
697:
American Association of State Highway Officials; Bureau of Public Roads (1961).
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Many U.S. Highways have loop or spur routes sharing the same number, known as
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The shield was next discussed during the meeting of August 3. Upon motion by
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uses green shields with the word "BUSINESS" in the shield's crown for U.S.
883:
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36:
Major revisions of the U.S. Route shield from 1926 to 1971 (last revision)
449:
529:"From Names to Numbers: The Origins of the U.S. Numbered Highway System"
394:
Directional colored U.S. Route shields found in Arizona during the 1950s
412:
408:
342: in this section. Unsourced material may be challenged and removed.
822:
81:
The U.S. Route shield was developed during the first meeting of the
758:(2009 ed.). Washington, D.C.: Federal Highway Administration.
723:
Manual on Uniform Traffic Control Devices for Streets and Highways
668:
Manual on Uniform Traffic Control Devices for Streets and Highways
636:
Manual on Uniform Traffic Control Devices For Streets and Highways
495:
American Association of State Highway and Transportation Officials
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796:(Map) (1964–65 ed.). c. 1:1,520,640. Chicago: Rand McNally.
898:
311:
726:(1971 ed.). Washington: Federal Highway Administration.
671:(1961 ed.). Washington, D.C.: Bureau of Public Roads.
639:(1948 ed.). Washington, D.C.: Bureau of Public Roads.
557:Federal Highway Administration (December 4, 2012).
403:Yellow and blue US 17 and US 92 shields
438:Marker used for business U.S. Routes in Maryland
588:American Association of State Highway Officials
522:
520:
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153:American Association of State Highway Officials
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283:Wide and narrow 1971-style U.S. route shields
8:
628:
626:
582:
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173:for city use, measured slightly smaller at
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895:
755:Manual on Uniform Traffic Control Devices
358:Learn how and when to remove this message
148:Manual on Uniform Traffic Control Devices
159:in the shape of the shield. A border of
752:Federal Highway Administration (2009).
510:
486:
291:Cutout US 199 shield in California
425:Appalachian Development Highway System
1552:United States Numbered Highway System
932:United States Numbered Highway System
654:– via Texas A&M University.
7:
340:adding citations to reliable sources
83:Joint Board on Interstate Highways
25:
925:
882:
565:. Federal Highway Administration
387:
382:
377:
372:
316:
1562:Road signs in the United States
327:needs additional citations for
107:Great Seal of the United States
50:United States Numbered Highways
537:Federal Highway Administration
497:(AASHTO) on November 11, 1973.
1:
77:shield with embossed features
827:"Bus. US 51 Northbound"
786:Arizona Highway Commission;
741:– via TrafficSign.us.
686:– via TrafficSign.us.
1578:
151:(MUTCD), published by the
105:, inspired by that on the
1528:
1505:
939:
853:Google (September 2016).
264:Interstate Highway System
617:Texas A&M University
91:Secretary of Agriculture
145:, the precursor to the
85:, a panel appointed by
73:Original-style Vermont
592:Bureau of Public Roads
527:Weingroff, Richard F.
493:AASHO was renamed the
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95:Bureau of Public Roads
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72:
35:
891:at Wikimedia Commons
889:U.S. Highway shields
811:– via AARoads.
460:nearby Interstates.
336:improve this article
268:running concurrently
18:U.S. Highway shield
859:Google Street View
855:"I-74 at Exit 135"
832:Google Street View
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257:reassurance marker
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887:Media related to
475:Interstate shield
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42:U.S. Route shield
16:(Redirected from
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825:(January 2016).
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