after you have repalced your suspension joints or teh thrird time, you ask yousrelf how much extra fuel you have burned
- trying to slow down for the bloody things and accelerate backl to
30mph afterwards- manufacturing all the spare parts you need/.
Not to mention the horrific accident I witnessed that was CAUSED by a chicane. Carefully positioned as to be invisible to a driver following another car at a perfectly safe and legal speed and distance.