Tags: electronic speed-limit and lane status signs
In Washington state, highways are getting smarter. Crews will install a series of electronic speed-limit and lane status signs over each northbound lane on Washington state's I-5 between Boeing Access Road and I-90 in Seattle. The high-tech signs are set to ...
SUBSCRIBE & FOLLOW
- PHOTOS: Check out the fun of Fertile Days at Fertile Quarry3103 Views
- PHOTOS, VIDEO: Take a virtual tour of Unimin's underground operation in Guion, Ark.2311 Views
- When gravel doesn't bond with resurfacing substance...541 Views
- How to become a more productive worker311 Views
- Sneak peek: Inside Unimin's safety strategies309 Views