stackyFACTS
Transport

Zipper road barriers are movable concrete blocks

HERE’S THE INTERESTING PART

Rather than building a wider road, some cities use an aggressive heavy machine to literally nudge a mile-long chain of concrete dividers over by one lane every morning. It is essentially a giant zipper adjusting the city's belt size for rush hour.

Zipper road barriers are movable concrete blocks
STACKY / Transport
One discovery leads to another.

Keep exploring facts in this topic.

Transport →
STACKY FOR IPHONE

A bigger world.
One discovery
at a time.

Keep discovering with Stacky. Interesting facts in an app that is always within reach.

Download on the App Store
ONE MORE DISCOVERY?

Keep exploring

All in this topic →
StackyMore discoveries in the app
Download on the App Store