What happens if you turn the traffic lights off?

[TVC]

A couple of years old, so apologies if it has appeared before:
http://www.wimp.com/trafficlights/

 

[alans]

the RLJ issue becomes redundant

 

[gaz]

It won't work for every junction

 

[TVC]

True, you probably need fairly balanced flow so one route doesn't dominate, and clear lines of sight.