Notwithstanding any provisions of this chapter or any other law to the contrary, the maximum vehicle width as provided in section nineteen, maximum vehicle weight as provided in section nineteen A and any minimum speed limit on any way shall not apply to any vehicle being operated on a public way within two hundred yards of the work site of said vehicle, if said vehicle is being used in the performance of duties pursuant to a contract with the commonwealth, any political subdivision thereof or any state authority regarding construction on a public way.
Massachusetts Legal Code