Men at Work Dozens of variations on the "Men at Work" theme.
Interstate Highway Control Cities Covers all 2-digit and major 3-digit U.S. Interstates and gives some explanation as to their selection. Transcription of an AASHTO document.
Sign Post Forest in Germany Tourist attraction composed of donated road signs. Site includes visiting information.
Watson Lake Sign Post Forest Gives the background on this feature in the Yukon Territory of Canada consisting of thousands of donated road signs.
Ramp Meters Contains a list of all cities that use ramp metering systems.
Western New York Signals Photograph collection. Also covers the Central and Capital/Adirondack regions of the state.
The Highway Code Official document of the United Kingdom. Includes illustrations and usage of signs and signals.
Diamond Signs Photograph collection of warning signs.
Signs on Nova Scotia Roads and Highways Describes the unique attraction signage on freeways of this Canadian province. Official page of the provincial Department of Transportation and Public Works.
MUTCD History Page by the Texas Transportation Institute illustrating the changes between each edition of the U.S. Manual on Uniform Traffic Control Devices. Also includes related articles.
National Committee on Uniform Traffic Control Devices U.S. organization which helps develop standards which are often applied to the Manual on Uniform Traffic Control Devices. Site includes history, member information, and meeting information.
Arts and Environment Initiative Part of the Center for Economic and Environmental Development at Allegheny College in Pennsylvania. Page shows recent projects including two involving the sculpting of road signs into art ("Read Between the Signs" and "Signs and Flowers").
Sign Language Many humorous road signs, with commentary by the website maintainer.