Warning Sign

A truck ignores alerts that it’s too tall to enter the Sydney Harbour Tunnel, so an automated system has to project a giant stop sign onto a curtain of water to get the truckie’s attention. Crikey, mate.

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Short link: https://wp.me/p6sb6-wQm

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How traffic lights ‘see’ your car and turn green

Traffic engineers know how impatient drivers are. Increasingly, they’re using sensors to control traffic lights for smoother ride. a video by Rob Sanders, Road Guy Rob.

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Shortlink: https://wp.me/p6sb6-wDC

Comments are welcome if they are on-topic, substantive, concise, and not boring or obscene. Comments may be edited for clarity and length.