Urban Planning with a Twist: Nifty Gadgets That Should Be in Every City

Driving the speed limit is a necessary precaution to keep yourself, pedestrians, and other drivers safe. However, we all know that most of us don’t follow the speed limit. Certain cities install radar speedometers to get people to slow down, but this tunnel in Melbourne, Australia, is trying something different. 

The tunnel is green if you’re at or below the speed limit. If you’re speeding, the tunnel changes color and “follows” you as you drive. The thinking behind this is that drivers will slow down because their speeding will be publicly broadcast to other drivers. They’re banking on a gentle form of public shaming, and we’re curious if it actually works.