Learning road signs can seem like a one-time job. People cram for a test, then drive for years on habit. Yet signs change, routes change, and memory fades. Some symbols also ask drivers to supply ...

One would assume that since the merging lane seems empty, you can use it to pass all the stalled traffic up ahead. While it sounds like a foolproof plan, however, the merging lane is made especially ...

DURHAM (WTVD) -- NCDOT and North Carolina State researchers are studying the effectiveness of the "zipper merge." The rather unique sign was installed 2 weeks ago where NC 147 meets southbound I-85.