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In January 1927, the [[American Association of State Highway and Transportation Officials|American Association of State Highway Officials]] (AASHO) published the ''Manual and Specifications for the Manufacture, Display, and Erection of U.S. Standard Road Markers and Signs'' to set standards for traffic control devices used on rural roads.<ref name="NCHRPReport484">{{cite book |last1 = Hawkins |first1 = H. Gene |last2 = Parham |first2 = Angelia H. |last3 = Womack |first3 = Katie N. |title = NCHRP Report 484: Feasibility Study for an All-White Pavement Marking System |date = 2002 |publisher = Transportation Research Board |___location = Washington, DC |pages = A-1—A-7 |url = http://onlinepubs.trb.org/onlinepubs/nchrp/nchrp_rpt_484.pdf |access-date = August 10, 2020 |chapter = Appendix A: Evolution of U.S. Pavement Marking System }}</ref> Despite the title, this manual did not have any guidance on pavement markings.<ref name="NCHRPReport484"/> In the archaic [[American English]] of the 1920s, the term "road marker" was sometimes used to describe traffic control devices which modern speakers would now call "signs."<ref name="NCHRPReport484" /> In 1930, the National Conference on Street and Highway Safety (NCSHS) published the ''Manual on Street Traffic Signs, Signals, and Markings'', which set similar standards for urban settings, but also added specific guidance on traffic signals, pavement markings, and safety zones.<ref name="NCHRPReport484" /> Although the two manuals were quite similar, both organizations immediately recognized that the existence of two slightly different manuals was unnecessarily awkward, and in 1931 AASHO and NCSHS formed a Joint Committee to develop a uniform standard for both urban streets and rural roads. This standard was the MUTCD.<ref name="Johnson" />
[[File:Mutcd cover 1935.jpg|thumb|150px|Cover of the 1937 typeset reprint of the first edition of the MUTCD published in 1935]]
The original edition of the ''Manual on Uniform Traffic Control Devices for Streets and Highways'' was published in 1935.<ref name="Johnson" /><ref name="Hawkins">{{cite journal |last1=Hawkins |first1=Gene |title=88 Years of MUTCD Editions: How the New MUTCD Evolved |journal=ITE Journal |date=April 2024 |volume=94 |issue=4 |pages=24-25 |url=https://ite.ygsclicbook.com/pubs/itejournal/2024/april-2024/live/index.html#p=24}}</ref> It was only 166 pages long and it was published as a [[Mimeograph|mimeographed]] document.<ref name="Hawkins" /> In 1937, the manual was republished, this time as a typeset document.<ref name="Hawkins" />
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