• The headlamp total low beam minimum candle power must not be less than 7,500, the headlamp high beam – less than 10,000. The total candlepower for headlights and auxiliary lights must not exceed 150,000.
  • Headlamps are to be white. Flashing or revolving lights, excluding flashing headlamp systems, grille-mounted flashing lights and intersection lights, may be mounted on a roof rack, light-bar or other device that is welded or bolted onto the vehicle, or is mounted by using suction cups with nylon or steel straps and clips which hook onto the drip rail or molding.
  • In addition to at least two headlights and two tail lights, vehicles in Pennsylvania are allowed to have additional lighting including fog lights (see below). Off-road lighting may be mounted on the roof or roll bar of a vehicle, it must be covered with an opaque covering when the vehicle is on a highway or traffic way. Auxiliary lighting may be added to a motorcycle including blue dot illumination, standard bulb running lights and LED pods and strips.
  • Pennsylvania headlights laws

    Lighting laws in Pennsylvania


    TITLE 75


    Department of Transportation Department of Transportation

    § 4302. Periods for requiring lighted lamps.

    (a) General rule.--The operator of a vehicle upon a highway shall display the lighted head lamps and other lamps and illuminating devices required under this chapter for different classes of vehicles, subject to exceptions with respect to parked vehicles, at the following times:

    1) Between sunset and sunrise.

    2) Any time when the operator cannot discern a person or vehicle upon the highway from a distance of 1,000 feet due to insufficient light or unfavorable atmospheric conditions, including rain, snow, sleet, hail, fog, smoke or smog.

    3) Any time when the vehicle's windshield wipers are in continuous or intermittent use due to precipitation or atmospheric moisture, including rain, snow, sleet or mist.

    (b) Signal lights.--Stop lights, turn signals and other signaling devices shall be lighted as prescribed in this title.

    (c) Applicability.--This section shall not apply to motorcycles.


    Colors Restrictions Colors Restrictions


    § 173.3. Display requirements.

    (a) Color. White, clear, red, blue, amber or yellow are the only colors permitted for use in flashing or revolving lights.

    1) Chromaticity coordinates. A flashing, revolving or oscillating light must meet or exceed the Chromaticity Coordinates, CIE 1931, Standard Colorimetric System as provided in SAE Standard J578d, Color Specification for Electrical Signal Lighting Devices, September 1978 or subsequent SAE Standards. This requirement does not apply to flashing headlamp systems.

    2) Red lights. A vehicle may display red lights as provided by 75 Pa.C.S. § 4571 (relating to visual and audible signals on emergency vehicles).

    3) Blue lights. A vehicle may display blue lights as provided for by 75 Pa.C.S. § 4572(a) (relating to visual signals on authorized vehicles). Vehicles described in 75 Pa.C.S. § 4572(a) may be equipped with a light-bar assembly using only blue lights. See Figure 3.1.

    4) Combination red-and-blue lights. Vehicles listed under 75 Pa.C.S. § 4571(b) may display combination red-and-blue lights. The privately-owned vehicles defined as an emergency vehicle under 75 Pa.C.S. § 102 (relating to definitions) must be equipped under 75 Pa.C.S. § 4571(a).

    5) Yellow or amber lights. A vehicle may display yellow or amber lights as follows:

    (i) Under 75 Pa.C.S. § 4572(b), an authorized vehicle as defined in 75 Pa.C.S. § 102 and designated in Chapter 15 (relating to authorized vehicles and special operating privileges) may be equipped with flashing or revolving yellow or amber lights or one or more light-bar assemblies containing only yellow or amber lights. See Figure 3.1.

    Equipment Restricted Equipment Restricted

    § 4303. General lighting requirements.

    (a) Head lamps--Every vehicle, except trailers, operated on a highway shall be equipped with a head lamp system in conformance with regulations of the department. The regulations shall not prohibit a bus from being equipped with devices used to carry pedalcycles on the front of the bus.

    (b) Rear lighting--Every vehicle operated on a highway shall be equipped with a rear lighting system including, but not limited to, rear lamps, rear reflectors, stop lamps and license plate light, in conformance with regulations of the department. If a vehicle is equipped with a centrally mounted rear stop light, a decal or overlay may be affixed to the centrally mounted rear stop light if the decal or overlay meets all applicable State and Federal regulations.

    (c) Turn signals and hazard warning lights--Every motor vehicle, except motorcycles and pedalcycles, and every trailer operated on a highway shall be equipped with a system of turn signal lights and hazard warning lights in conformance with regulations of the department.

    (d) Identification, clearance and side marker lights-- Every motor vehicle, trailer and combination operated on a highway shall be equipped with a system of lights which may include retroreflective reflectors, identification, clearance and side marker lights in conformance with regulations of the department.

    (e) Equipment exempted by regulation--Antique motor vehicles, animal-drawn vehicles, implements of husbandry, commercial implements of husbandry and special mobile equipment, if operated exclusively between the hours of sunrise and sunset and not during periods of reduced visibility or insufficient illumination, may be exempted from certain lighting equipment requirements of this part by regulations of the department.

    (f) Off-road lighting--Off-road lighting lamps may be mounted on the roof or roll bar of a vehicle and shall be covered with an opaque covering that prohibits any light from being emitted when the vehicle is being operated on a highway or trafficway. Any person who illuminates an off-road lighting lamp while the vehicle is being operated on a highway or a trafficway commits a summary offense and shall, upon conviction, be sentenced to pay a fine of $100.

    Other Rules Other Rules

    Headlights: 2 minimum

    • minimum height: 24 inches
    • maximum height: 54 inches

    Tail lights: 2 minimum

    • minimum height: 15 inches
    • maximum height: 72 inches

    Spot lights: unclear

    • minimum height: n/a
    • maximum height: 42 inches

    Fog lights: allowed

    • minimum height: n/a
    • maximum height: 42 inches

    Auxiliary passing lights: allowed

    • minimum height: n/a
    • maximum height: 42 inches

    Auxiliary driving lights: allowed

    • minimum height: n/a
    • maximum height: 42 inches

    Notice! This page contains only a list of recommendations. Kensun does not give any LEGAL advice. Please be sure to refer to a lawyer, local DOT or Police Department for further assistance.