On highways like State Road 408 westbound, drivers often see a mix of white line markings — sometimes solid, sometimes dashed or square-shaped — marking these merge lanes.

Starting in early April, the New York State Department of Transportation began lane closures on the Interstate 490 bridges over the Erie Canal and Kreag Road. Drivers going through the work zone are ...

Traffic merges at East Holly and North Forest streets for construction in Bellingham in 2009. Most states encourage drivers to utilize the “zipper merge” and wait until reaching the cones to merge.

Summer is prime time for construction in Washington state. With hundreds of construction projects scheduled across the state this summer, routes are altered on many cross-state trips. These projects ...