Kiecolt asks if adding additional speed limit signs on both sides of the freeway in the Cajon Pass would improve traffic flow ...
You spot the new sign and your stomach drops—twenty miles per hour lower with little […] ...
Add Yahoo as a preferred source to see more of our stories on Google. An example of what variable speed limit signs look like above a highway in Washington. (Courtesy of the Washington State ...
DENVER (KDVR) — The speed limit on Interstate 70 in the high country will now change based on driving conditions, thanks to newly installed electronic signage. The signs have LED lights that allow the ...