292. A sign or signal erected under section 291 may provide exceptions for vehicles that must travel to a particular place in order to collect or deliver property, provide services, carry out work, be repaired or return to their base, and that cannot do so without entering a zone to which access is prohibited.
1986, c. 91, s. 292; 1995, c. 25, s. 2; 1996, c. 2, s. 212; 1996, c. 56, s. 81.