12-18-2018, 09:50 AM
Jersey barriers are the three-foot or so concrete barriers used to separate traffic. The kind on the centre of the 401 is a variant known as an Ontario tall-wall barrier. Basically, it's designed to deflect a vehicle's tires before the car hits the barrier.
https://en.wikipedia.org/wiki/Jersey_barrier
https://en.wikipedia.org/wiki/Jersey_barrier