Manual on Uniform Traffic Control Devices
The standard for signs, signals, and pavement markings in the United States. Includes HTML and .pdf versions.
Bartolomeo: Traffic Signs of the World
Examples of child crossing, construction, and falling rock signs worldwide.
Photograph collection of warning signs.
Evaluation of Traffic Signal Displays for Protected/Permitted Left-Turn Control
Research project studying controls for this movement, addressing such principles as the "left-turn trap". Includes animated graphic examples.
France Road Signs
Large collection of French road signs.
From War to Worboys
Chronicles the history and evolution of signs in the United Kingdom.
Hawaii Road Sign Photos
Many standard and unusual examples.
International Highway Makeover 2
What highway signs could look like.
Italian Road Signs
Most Italian road signs.
Contains scans or links to scans of each edition of the U.S. Manual on Uniform Traffic Control Devices. Also includes related articles.
Manual of Traffic Signs
A listing of those most commonly used in the United States.
Men at Work
Dozens of variations on the "Men at Work" theme.
Unofficial traffic signal simulator available for download. Uses Java.
Photos of approach, advance direction, exit, reassurance, and overhead signs on motorways in various countries.
My Crazy Hobby
Photograph inventory of a large personal collection.
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. History, member information, and meeting information.
Old California Traffic Signs
Photos of signs from the early 20th century.
Photos of Signs
Focuses on unusual and standard examples in the Sacramento, California, area. Also includes some state welcome signs.
Includes a list of all cities that use ramp metering systems.
Illustrations from 1961 from Scandinavia.
Road Signs of DPRK
North Korean road signs.
Road Trip America Signs
Hundreds of funny road signs by category
Roadsigns and Signals
Basic European signage.
Sign Post Forest in Germany
Tourist attraction composed of donated road signs. Site includes visiting information.
Java applet letting users create highway sign graphics.
Photos of an collection of signals and signs, many vintage, plus a gallery of photos covering many geographic areas.
Includes photo collection of examples in Australia.
The Cone Epicentre
Includes information and photographs about traffic cones and other related subjects.
The Traffic Signal Museum
Illustrates a private collection of signals, including pedestrian.
The Traffic Signs Regulations and General Directions 2002
The standard for signs, signals, and pavement markings in the United Kingdom. Includes graphics.
Traffic Signs in Lebanon
Images of most Lebanese signs.
Traffic Signs in Seoul Korea
A few good pictures of Korean signs and signals.
Watson Lake Sign Post Forest
Gives the background on this feature in the Yukon Territory of Canada consisting of thousands of donated road signs.
Western New York Signals
Photograph collection. Also covers the Central and Capital/Adirondack regions of the state.