Cycling: Offences Lord Laird asked Her Majesty's Government: Whether it is illegal for cyclists to travel on public roads after dark without a light at the front or at the back of the cycle. [HL648] Lord Bassam of Brighton Regulations 18 and 24 of the Road Vehicle Lighting Regulations 1989 No 1796, as amended, make it illegal for cyclists to travel on public roads at night without a white light at the front and a red light at the back of the cycle.