Only authorized emergency vehicles, including law enforcement, fire, state department of corrections, and emergency medical services vehicles, state department of transportation vehicles engaged in construction or maintenance activities, and bicycles may be equipped with a device that provides for alternate flashing of headlamps.
RSA 266:78-e
2008, 358:12. 2009, 168:1, eff. July 8, 2009. 2018, 46:3, eff. July 14, 2018. 2019, 156:5, eff. Aug. 30, 2019.