The answer to whether Germany's Autobahn has a speed limit is -- yes and no. While around half of the Autobahn system has no posted speed limits, one-third of the Autobahn has a permanent, posted ...

Speed limits aren’t designed for the sharpest drivers in the fastest cars on the clearest roads. Often, they’re actually quite the opposite. Traffic engineers routinely acknowledge that speed limits ...

The experimental move could change US driving rules, with backers arguing it modernizes traffic law to better reflect road conditions.

Late for a rock concert, dads’ rules about driving are (legally) broken as the speedometer hits 125 m.p.h. on a highway where there are no speed limits. By Jim Tankersley Reporting on a drive from ...