It added the newly-installed bollards, which are 7ft (2.1m) apart, and a traffic light system would enforce traffic regulations and protect the road from further deterioration.

BBC: Worle 'narrow gap' bollards to remain

Last year, he announced plans to classify the performance of English hospital trusts using a simple traffic-light system of green, amber and red.

ECONOMIST: Hospitals

It also called for a "traffic light" system in stores to mark out healthy and unhealthy foods, and for annual fat tests for children.

BBC: NEWS | UK | Wales | Cookery lessons 'to cut obesity'

Some retailers and manufactures have preferred a "traffic light" system in which the least healthy foods are labelled red and the most healthy are in green.

BBC: Consultation launched on how to label food

It said it wanted a "traffic light" warning system for drugs - with green for those safe to take and drive, amber for caution and red signalling severe adverse effects which would dangerously impair driving.

BBC: You are in: UK

Two of the biggest supermarkets in the U.K., Tesco and Wm Morrison Supermarkets , have refused to adopt a government-proposed food labeling system which uses a "traffic light" design to indicate nutritional content.

FORBES: Billionaire Morrison Boycotts Food Labeling Plan

We all have relationships with strangers in their thousands or millions on the road but road user relationships are corroded and corrupted by the system of control which makes us almost have a greater respect for a traffic light than for a human life.

BBC: Viewpoint: Is it time to get rid of traffic lights?

The signal preemption idea was born in the early 1970s, when 3M devised a system that let emergency vehicles change traffic signals with pulses of strobe lights (later, infrared light) transmitted to receivers mounted over roadways.

FORBES: Magazine Article