NEW ORLEANS (WGNO) – The covered-up traffic lights which have been hanging above the … Ramp meters are stop-and-go traffic signals that control the frequency with which vehicles enter the flow of traffic on the freeway.
NEW ORLEANS (WGNO) – The covered-up traffic lights which have been hanging above the … Ramp meters are stop-and-go traffic signals that control the frequency with which vehicles enter the flow of traffic on the freeway.