If you see some ends of hashed rails with these yellow and black striped block 'caps', those are actually designed to bend inward towards the road so that if a

If you see some ends of hashed rails with these yellow and black striped block 'caps', those are actually designed to bend inward towards the road so that if a car hits the end of the rail head on, the way the rail is designed to crush will force(move) the car to continue moving forward on the road-side of the guard rail.