A study by the Minnesota Department of Transportation shows that an effective zipper merge can reduce the duration of a ...

Q: At a freeway on-ramp, is it illegal to merge early by driving across the white lines before the lanes merge, or is it just discouraged? If it’s illegal, what law would you be breaking? A: You won’t ...

Think you can briefly exceed the limit for safety? Think again. The law is absolute. We investigate the rules on merging and overtaking. I’ll never forget the near-paralysing fear of merging onto a ...