§ 4307. Use and display of illuminated signs. (a) General rule.--Except as otherwise provided in this section, no vehicle shall bear or display any illuminated signs, letters, numerals or figures of any kind whatsoever. (b) Buses.--A bus or school bus may bear an illuminated sign stating its use or destination. (c) Taxicabs.--A taxicab may carry on the rear or the top of the vehicle illuminated signs placed so as not to interfere with the vision of the driver through the rear window of the vehicle. The size and placement of the sign must receive approval of the department or be a type approved by the department prior to use on the vehicle. (d) Trucks and truck tractors.--A truck or truck tractor may carry on the top of the cab roof an illuminated sign placed so as not to interfere with the vision of the driver through the windshield of the vehicle. Illuminated signs so placed shall be of a size and type designed not to interfere with or unduly distract the drivers of other vehicles on the highway. The type, size and placement of the sign must receive approval of the department or be a type approved by the department prior to use on the vehicle. (e) Implements of husbandry.--An implement of husbandry or vehicle used exclusively for highly perishable crops for processing, operating between sunset and sunrise, shall have two rotating yellow beacons and four-way flashers operating. (f) Food delivery vehicle.--A food delivery vehicle may display an illuminated sign which shall be of a department- approved size and type designed not to interfere with or unduly distract the drivers of other vehicles on the highway. The department shall promulgate regulations setting forth the size, type and placement of signs approved for use under this subsection. (g) Definition.--As used in this section, the term "food delivery vehicle" means a vehicle engaged in the transportation or conveyance of food products or items from their place of origin or production to a place of delivery, which vehicle may make intermittent stops that are customary in the routine conduct of the business for which the transportation occurs. (July 10, 1981, P.L.259, No.86, eff. 60 days; June 30, 1990, P.L.266, No.63, eff. imd.; Dec. 18, 2007, P.L.436, No.67, eff. 60 days) 2007 Amendment. Act 67 added subsecs. (f) and (g). 1990 Amendment. Act 63 added subsec. (e).

§ 4307. Use and display of illuminated signs. (a) General rule.--Except as otherwise provided in this section, no vehicle shall bear or display any illuminated signs, letters, numerals or figures of any kind whatsoever. (b) Buses.--A bus or school bus may bear an illuminated sign stating its use or destination. (c) Taxicabs.--A taxicab may carry on the rear or the top of the vehicle illuminated signs placed so as not to interfere with the vision of the driver through the rear window of the vehicle. The size and placement of the sign must receive approval of the department or be a type approved by the department prior to use on the vehicle. (d) Trucks and truck tractors.--A truck or truck tractor may carry on the top of the cab roof an illuminated sign placed so as not to interfere with the vision of the driver through the windshield of the vehicle. Illuminated signs so placed shall be of a size and type designed not to interfere with or unduly distract the drivers of other vehicles on the highway. The type, size and placement of the sign must receive approval of the department or be a type approved by the department prior to use on the vehicle. (e) Implements of husbandry.--An implement of husbandry or vehicle used exclusively for highly perishable crops for processing, operating between sunset and sunrise, shall have two rotating yellow beacons and four-way flashers operating. (f) Food delivery vehicle.--A food delivery vehicle may display an illuminated sign which shall be of a department- approved size and type designed not to interfere with or unduly distract the drivers of other vehicles on the highway. The department shall promulgate regulations setting forth the size, type and placement of signs approved for use under this subsection. (g) Definition.--As used in this section, the term "food delivery vehicle" means a vehicle engaged in the transportation or conveyance of food products or items from their place of origin or production to a place of delivery, which vehicle may make intermittent stops that are customary in the routine conduct of the business for which the transportation occurs. (July 10, 1981, P.L.259, No.86, eff. 60 days; June 30, 1990, P.L.266, No.63, eff. imd.; Dec. 18, 2007, P.L.436, No.67, eff. 60 days) 2007 Amendment. Act 67 added subsecs. (f) and (g). 1990 Amendment. Act 63 added subsec. (e).