Rules for users of powered wheelchairs and powered mobility scooters
(Called Invalid Carriages in law)
On pavements
39
Powered wheelchairs and scooters MUST NOT travel faster than 4 mph (6 km/h) on pavements or in pedestrian areas. You may need to reduce your speed to adjust to other pavement users who may not be able to move out of your way quickly enough or where the pavement is too narrow
Law UICHR reg 4