Other Jurisdictions
The United States is among several nations that are not party to the Vienna Convention on Road Signs and Signals, and thus the FHWA MUTCD differs from those conventions.
The Transportation Association of Canada (TAC) publishes a Manual of Uniform Traffic Control Devices for use by Canadian jurisdictions. Although it serves a similar role to the FHWA MUTCD, it has been independently developed and has a number of key differences with its American counterpart, most notably the inclusion of bilingual (English/French) signage for jurisdictions such as New Brunswick with significant anglophone and francophone population, and a much heavier reliance on symbols rather than text legends.
The Ministry of Transportation of Ontario (MTO) also has historically used its own MUTCD which bore many similarities to the TAC MUTCD. However, as of approximately 2000 MTO has been developing the Ontario Traffic Manual (OTM), a series of smaller volumes each covering different aspects of traffic control (e.g., regulatory signs, warning signs, sign design principles, traffic signals, etc.).
Many U.S. states produce their own standards, which take the form of either a full manual or supplement to the federal MUTCD.
The City of Phoenix Street Transportation Department published The City of Phoenix Traffic Barricade Manual in 1961 with editions published in 1970, 1974, 1976, 1980, 1982, 1989, 1998, and 2007.
Australia, New Zealand and Ireland use many road signs influenced by the MUTCD.
Read more about this topic: Manual On Uniform Traffic Control Devices