3 rooftop test tracks that will blow your mind

Nigel Bentley has sent us this interesting article published by Hagerty Insurance. It is an interesting insight into motoring history is many ways but majors on the test tracks used by manufacturers to test run their cars.

Obviously with land confined within the sites of ever expanding factories the only way was up!

Click on link below to read the article.

These 3 rooftop test tracks will blow your mind