https://www.gov.uk/waiting-and-parking/parking-239-to-247
You MUST NOT stop or park on:
– the carriageway or the hard shoulder of a motorway except in an emergency (see Rule 270)
– a pedestrian crossing, including the area marked by the zig-zag lines (see Rule 191)
– a clearway (see ‘Traffic signs’)
– taxi bays as indicated by upright signs and markings
– an Urban Clearway within its hours of operation, except to pick up or set down passengers (see ‘Traffic signs’)
– a road marked with double white lines, even when a broken white line is on your side of the road, except to pick up or set down passengers, or to load or unload goods
– a tram or cycle lane during its period of operation
– a cycle track
– red lines, in the case of specially designated ‘red routes’, unless otherwise indicated by signs. Any vehicle may enter a bus lane to stop, load or unload where this is not prohibited (see Rule 141).