How do engineers make ROAD SIGNS look the same?
What makes traffic-control devices uniform from coast to coast? It's all thanks to a magical book engineers use called the Manual on Uniform Traffic Control Devices (MUTCD).
Buy me tacos 😀🌮► / roadguyrob
Ask a road question ► https://www.roadguyrob.com/interchange
-------------------------
Sources cites:
-------------------------
"Manual on Uniform Traffic Control Devices (MUTCD)," Federal Highway Administration. https://mutcd.fhwa.dot.gov/htm/2009r1...
"CA Manual on Uniform Traffic Control Devices (CA MUTCD)," California Dept. of Transportation. https://dot.ca.gov/programs/safety-pr...
"A Century of Traffic Control Devices and What Lies Beyond," Transportation Research Board; Hawkins and Carlson. https://onlinepubs.trb.org/onlinepubs...
"Sign Legibility," California Highways and Public Works Magazine (Jan. 1951); Moskowitz and Morgan. https://cdm16436.contentdm.oclc.org/d...
"The Stop Sign Wasn't Always Red," The New York Times Magazine (Dec. 9, 2011); Greenbaum and Rubinstein. https://www.nytimes.com/2011/12/11/ma...
"Manual on Uniform Traffic Control Devices," Wikipedia. https://en.wikipedia.org/wiki/Manual_...
"Road signs in the United States," Wikipedia. https://en.wikipedia.org/wiki/Road_si...
"Vienna Convention on Road Signs and Signals," Wikipedia. https://en.wikipedia.org/wiki/Vienna_...
"Convention on Road Traffic," United Nations. https://treaties.un.org/doc/Publicati...
"Fluorescent Strong Yellow-Green Signs For Pedestrian/School/Bicycle Crossings: Results of New York State Study," N.Y. State Dept. of Transportation; Dhar and Woodin. https://ntlrepository.blob.core.windo...
"I-10 Tune Up Pavement Rehabilitation," California Dept. of Transportation. https://dot.ca.gov/caltrans-near-me/d...
"Federal Government Does Not Heart Cuomo's 'I Heart NY' Signs," The New York Times (Feb. 1, 2018); Sarah Maslin Nir. https://www.nytimes.com/2018/02/01/ny...
"I (No Longer) Love New York? Feds Make State Take Down Tourism Signs," CBS New York (Nov. 9, 2018). https://newyork.cbslocal.com/2018/11/...
"Business Sign Eligibility," State of California (via Westlaw). https://govt.westlaw.com/calregs/Docu...
-------------------------
Time sections:
-------------------------
Introduction (0:00)
History of the MUTCD (3:15)
Red Signs (6:19)
White Signs (8:14)
State Variations (10:38)
Yellow Signs (11:28)
Green Freeway Signs (15:00)
Green Street Signs (18:55)
Blue General Signs (21:26)
Blue Specific Signs (22:54)
Brown Signs (25:27)
Conclusion (26:48)