These Regulations create a bus lane on the offside lane of the south-westbound carriageway of the M32 motorway (regulation 3) and impose a 40 miles per hour speed limit on specified lengths of the north-eastbound and south-westbound carriageways and slips roads (regulation 4).
Link: The M32 Motorway (Bus Lane and Speed Limit) Regulations 2018
Source: Legislation .gov.uk