Toomey wasn’t sure exactly why the black-and-white lines were specified for the new lanes of I-78, but he speculated that the fresh, white concrete was a contributing factor.

WQAD spoke with the Iowa Department of Transportation about the new black-and-white lines on the I-74 Bridge, and how they will help drivers. Skip Navigation. Share on Facebook; ...

A. Yes, just be careful – for safety and for legal reasons. First, look around for a black and white sign that prohibits you crossing over the line – if none, you can slide over it, says Mitch ...