HC Deb 19 December 1968 vol 775 c435W
52. Mr. Gower

asked the Secretary of State for Wales, if he will state the designed traffic capacity of the main Cardiff to Barry Road.

Mr. George Thomas

The design capacity for free flow conditions is 11,000 passenger car units per 16 hour day where the road has three lanes and 6,000 passenger car units per 16 hour day where it has two lanes.