New Hampshire Department Of Transportation. The new hampshire department of transportation's bureau of traffic is responsible for the engineering and maintenance of signs, traffic signals, and pavement markings on the. New hampshire dot is new hampshire state transportation, traffic & highway agency that provides services and information including:.
What does new hampshire dot do? Since joining the new hampshire department of transportation in 1995, jim marshall has worked in the bureau of highway design (23 years) and the bureau of.