Comparison of perceived and modelled geographical access to accident and emergency departments: a cross-sectional analysis from the Caerphilly Health and Social Needs Study

Table 1 Vehicle speed in miles per hour, by road type and setting

Road type and mode of travel	Rural	Urban	Inner urban	Conurbation central core
Motorway	65	53	43	37
A-road dual c/w	53	28	22	19
A-road single c/w	40	25	22	19
B-road dual c/w	43	22	19	16
B-road single c/w	34	19	16	12
Primary road dual c/w	56	31	25	22
Primary road single c/w	43	25	19	16
Private road	28	19	16	12
Unclassified road	28	19	16	12

This table is a summary of the matrix of travel speeds incorporated within the Mapinfo Drivetime software. The full matrix includes travel speeds for passing places, ferry routes, tunnels, and central London.

ISSN: 1476-072X