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IPFS News Link • Building and Construction Materials

Modular mobile ASTRA Bridge lets highway traffic fly over roadwork

• New Atlas

An initial version was tested on a stretch of Switzerland's A1 motorway back in 2022, followed by a trial of a new-and-improved model which is currently in progress. That second version was installed on the A1 this April, and should remain in place until August.

Here's how the setup works …

Shortly before roadwork is scheduled to begin, the affected side of the highway is closed for one weekend. The various sections of the ASTRA are then brought in on trucks at night, and assembled to form a flyover that runs the length of the work area. Ramps at either end of the flyover allow vehicles to smoothly drive on and off of it.


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