An Act to amend and reenact § 46.2-1088.5 of the Code of Virginia, relating to vehicles used for agricultural purposes. Vehicles used for agricultural purposes. Provides that trailers and semitrailers used for certain agricultural purposes may be operated without tail lights or brake lights on the highways of the Commonwealth, except in Planning District 8 (Northern Virginia), that are not interstate highways between sunrise and sunset, provided that such trailer or semitrailer has affixed to the rear end either (i) two or more reflectors of a type approved by the Superintendent of State Police or (ii) at least 100 square inches of solid reflectorized material. The bill requires such a trailer or semitrailer operated without tail lights or brake lights to keep to the rightmost lane, except when turning at an intersection or avoiding any hazard. The bill also prohibits the operation of such a trailer or semitrailer operated without tail lights or brake lights whenever (a) certain conditions reducing visibility are present or (b) windshield wipers are in use as a result of fog, rain, sleet, or snow.