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Note to Presenters This presentation was downloaded from Gene Hawkins’ website. Gene Hawkins would like for you to recognize the origin of this material.

Published byMarshall Washington Modified over 6 years ago

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Presentation on theme: "Note to Presenters This presentation was downloaded from Gene Hawkins’ website. Gene Hawkins would like for you to recognize the origin of this material."— Presentation transcript:

1 Note to Presenters This presentation was downloaded from Gene Hawkins’ website. Gene Hawkins would like for you to recognize the origin of this material in your presentation. The preferred method of doing this would be to include a citation in the presentation and to include the Additional Information slide at the end of the presentation.

2 Gene Hawkins Texas A&M University
History of the MUTCD 1930s 1920s Today Early 1950s 1960s 1940s Gene Hawkins Texas A&M University

3 Manual on Uniform Traffic Control Devices
Known as the MUTCD Contains basic principles for traffic control devices Essential traffic engineering tool Extensive information Long history Multiple versions – many editions

4 The MUTCD There have been 9 editions of the MUTCD 1935 1942 1948 1961
1971 1978 1988 2000 2003

5 Early Traffic Control Devices
The wide variety of devices created the need for uniformity 1911-1st centerline Michigan 1920 – 1st 3-color signal Detroit 1914 – 1st electric signal Cleveland Photo credit: ITE Traffic Control Devices, Historical Aspects Thereof

6 1925 Joint Board Report Report of of Joint Board on Interstate Highways AASHO led Developed U.S. Highway system Included recommendations for standard signs

7 1927 AASHO Manual Evolved from Joint Board First national manual
Rural signs only Title: Manual and Specifications for the Manufacture, Display, and Erection of U.S. Standard Road Markers and Signs Revised 1929 and 1931

8 1927 Signs

9 1930 NCHS Manual Prepared by American Engineering Council
Signs, markings, and signals for urban areas Title: Manual on Street Traffic Signs, Signal and Markings Not Revised

10 1930 Signs

11 Problems of two manuals led to creation of the MUTCD
Birth of the MUTCD Problems of two manuals led to creation of the MUTCD Joint Committee 1930 Urban Manual 1927 Rural Manual 1935 MUTCD

12 1935 MUTCD First MUTCD (35 & 37 versions) Signs Markings Signals
White or yellow Diamond, square, circle, octagon Markings White, yellow, or black Signals 3-color signal as standard Revised 1939

13 1935 Signs

14 1942 MUTCD Few major changes Addressed wartime conditions Not Revised
Conservation of materials Blackout traffic control Not Revised

15 1948 MUTCD Revised 1954 Significant rewrite Signs Pavement markings
Simplified messages Eliminated square signs Added advisory plate Rounded alphabet Pavement markings Yellow – Double center and barrier line White – all other applications Edge lines not recommended Simplified signal warrants Revised 1954

16 1948 Signs

17 1954 Revision Significant sign changes Became
New Sign Secondary messages eliminated

18 1958 AASHO Interstate Manual
Created for the new Interstate Highway system New features White on green guide signs Lower case letters Green on white service signs Utilized larger sign sizes Blue service signs added in 1961 revision Revised 1961, 1962, 1970

19 New Interstate Signs

20 1961 MUTCD Federal compliance required New material: Not Revised
Construction traffic control Civil defense signing Freeway guide signing Not Revised

21 1961 Signs

22 1971 MUTCD Significant rewrite DOT ownership New features:
Content: school areas Color: orange Shapes: pennant, pentagon International sign influence Many new symbols Yellow markings for opposing traffic Revised 8 times

23 1971 Signs

24 1978 MUTCD Update of 1971 edition Loose leaf (binder) format
Individual page revisions New content RR-hwy grade crossings Bicycle facilities Yellow markings on left side Revised 4 times

25 1978 Devices

26 1988 MUTCD Update of 1978 edition New content
Included new revision (#5) New content Recreational/cultural signs Logo signs TODS Planned to be revised only for safety reasons Revised 7 times

27 2000 MUTCD Millennium edition Complete rewrite Ten years to develop
Significant evolution New structure Definitions Metric units New material 1 Revision

28 2003 MUTCD Current edition (9th overall) Update of 2000 MUTCD
Same size and format Changes Compressed pages Editorial improvements

29 Additional Information
MUTCD web site HTML & PDF versions of MUTCD Lists of changes MUTCD History (Gene Hawkins website) MUTCD history PPT presentation ITE Journal articles July, August, November 1992 mutcd.fhwa.dot.gov 29

30 Questions ? That concludes our presentation. Either one of us would be happy to answer any questions you might have.

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