Hassan agreed with a point raised by opponents during House debate.
“The question is whether every time you increase the limit, people take it that much farther,” Hassan said.
State police have estimated the average speed on I-93 at 82 mph, which is 17 mph to 27 mph over the posted speed limit.
During House debate, proponents argued that people already are exceeding the posted speed limit. Opponents had countered that driving faster will lead to accidents and waste fuel.