Vehicles and Trailers Reflective Tape on a Toll Liquids Tanker At Night One of the more common uses for reflective tape is on the sides and backs of vehicles, rolling stock or trailers. While most of these already have reflectors, many companies and people see benefits in increasing their visibility by adding more. This can be of real benefit if the vehicle or trailer is parked in a partially obscured spot or high traffic area at night or in low light conditions.