The Mudcat Café TM
Thread #165036   Message #3957368
Posted By: Jon Freeman
19-Oct-18 - 02:56 AM
Thread Name: BS: 'Not so Smart' Motorways.
Subject: RE: BS: 'Not so Smart' Motorways.
This is way OT but may comments on potholes/sufacing sparked this off.

We rarely went on motorways but years ago, must be 70s, was there an experimental road surface that could cause weird noises like a choir humming?