LS variable metadata
Variable: RDD2KM9
Table: PW91x
Short description: 1991 Census ward level road density, 2km smoothed.
Full description: The length of road (in metres) per square kilometre, smoothed for a 2km radius.
Coding notes: 0 - 4824
Units of measurement:  
Source: Calculated by selecting all population weighted census ward centroids within 2km of the target ward, giving a total length of road and total area. Road centre lines supplied by the Automobile Association (AA) and include motorways, primary, A and B roads. Data supplied in 1996 by Paul Wilkinson, Environmental Epidemiology Unit (London School of Hygiene and Tropical Medicine).
Former name of variable:  
Derived: N
Derivation: Not available
Date range:  
Keyword: Small-area
Comparable variables for other individuals:  
Comparable variables for other times:  
Restricted: Y
Data type: Numeric
Length of field: 4