Traffic signs have to communicate crucial information quickly and simply, to anyone who might be on the road. They use letters and numbers to lay out information in plain language but they also use ...

Q: Doug Brown of Moreno Valley asked about the large green signs that hang above freeway lanes that indicate the distance to upcoming exits. The new green signs are covered with a clear protective ...

Q: Honk: Why does Caltrans leave that plastic film on its green highway signs that dissolves over time and comes off in pieces — and just looks lousy? Why not just take it off before putting a new ...