大象传媒

Exploring the work of Belfast's road traffic control centre.Television screens were installed to show what is happening at fifty or sixty junctions across the city. Controllers can adjust traffic lights if they need to, keeping green lights on for longer to prevent serious jams. In other parts of Northern Ireland, they can monitor traffic light problems and rectify them. An electronic counting box is able to record the number of vehicles using a specified road. This helps planners decide which roads need improving and where brand new ones might need to be constructed.

NOTE: Facts outlined in this clip were accurate at the time this programme was originally broadcast.