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Vehicle to Infrastructure (V2I) and Vehicle to Vehicle (V2V) communications can control traffic much better than it is today. (i.e. Signals to Machines instead of traffic signals to Humans. This avoids human errors)


As a stop-gap, we need more intuitive way of signalling humans. which can be achieved by Lasers.


Present Traffic Lights

Future Laser Traffic signal

STOP

Red

Red Laser Wall perpendicular to road

Watch and Go

Yellow

Blinking Yellow wall

GO

Green

No wall

Turning signal GREEN arrow (right / left) a laser arrow on the road to show direction
Human Crossing GREEN walking man A tunnel with walls on both sides of pedestrian passage. so pedestrians feels they are walking in a closed enclosure.