Русско-англо-русский юридический словарь

Traffic lights were first introduced in December 1868 on Parliament Square in London to reduce the need for police officers to control traffic. (Wikipedia)

Traffic management and marshalling will be in place to control traffic, allow access for residents and staff, provide emergency access and ensure public safety. (BBC)

Five years ago, I read of an Indian traffic policeman who makes dancing movements to regulate traffic, which livens up his day. (BBC)