During the nighttime driving there should be a stricter penalty for excessing the the posted limits. Construction on roads and highway repairs usually take place at night the speed limit within a construction zones should be lowered to allow for safe passing and the construction workers can remain safe to enforce to speed limit there should be a photo enforcement camera and police present near the zone to enforcement at speed. In 2013, “the mobile speed camera units stationed in work zones issued 349,776 tickets, worth nearly $14 million. That’s a sharp decline from 2012, when the cameras doled out 417,691 work zone tickets. And the 2012 number was far less than the number generated in 2011: