look up any word, like eiffel tower:
 
1.
A flashing device fitted to a pole near passport control units in airports, land border crossings, and sea ports, which halts illegal human traffic.

Implemented by government agencies, such as the UK Home Office, as a result of national immigration policy.
The large articulated lorry, with a container full of illegal north Korean immigrant labour, was forced to wait at some human traffic lights at Dover passport control when they showed red.
by dewex January 02, 2010

Words related to Human traffic lights

freedom human rights immigration travel work