If you've ever driven past a sign saying "Adopt a Highway" and wondered what it means, we'll tell you everything you need to ...

Green highway signs typically tell you how far away exits or cities are. Blue, yellow, red, and brown highway signs also ...

HOUSTON, Texas (KTRK) -- New signs had drivers doing a double take on the Southwest Freeway Wednesday morning. The reason -- the speed limit. The signs told drivers to go 20 miles an hour.

That's what spurred the artist and sign maker to make a national splash back in 2001, when he secretly designed, built and installed a 5 Freeway north traffic sign over the 110 Freeway.

A: As our reader noted, the freeway signs are covered with a protective film that increases the longevity of the signs, said Caltrans spokesperson Eric Dionne.

The on-ramp from Columbia Drive in Kennewick to Highway 395 near the blue bridge has recommended speed of 25 mph because of ...