Tags: intelligent highways in Washington state
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
- Sand portrait highlights aggregate industry's sustainability542 Views
- Owner of rock quarry defends himself against park357 Views
- Video: Behind the scenes with Lego Technic's wheel loader R&D288 Views
- Founder of Florida Crushed Stone dies185 Views