Includes photo collection of examples in Australia.

Includes information and photographs about traffic cones and other related subjects.

Photograph collection. Also covers the Central and Capital/Adirondack regions of the state.

Hundreds of funny road signs by category

What highway signs could look like.

Most Italian road signs.

Includes a graphics gallery of U.S. state route markers as displayed on guide signs, and personal marker cosmetic change proposals.

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").

Covers all 2-digit and major 3-digit U.S. Interstates and gives some explanation as to their selection. Transcription of an AASHTO document.

Illustrations from 1961 from Scandinavia.