LNNT {shp2graph} | R Documentation |
London Road network data (SpatialLinesDataFrame)
Description
The London Road network data set is produced by the UK Ordnance Survey (OS) in 2001.
Usage
data(LNNT)
Format
A “SpatialLinesDataFrame” object named “LN.nt”.
Details
In this data set, roads are categorized into four types (nt_RoadTyp):
Mo: motorway
a: A-road
b: B-road
Mi: minor road
Speed limit for each road segment is also incoporated in the attribute “Speed” (Transport for London, 2011)
References
Lu, B., M. Charlton, P. Harris & A. S. Fotheringham (2014) Geographically weighted regression with a non-Euclidean distance metric: a case study using hedonic house price data. International Journal of Geographical Information Science, 28, 660-681.
Transport for London, (2011) Intelligent Speed Adaptation [online]. http://www.tfl.gov.uk/corporate/projectsandschemes/7893.aspx#For_developers. Available from: http://www.tfl.gov.uk/corporate/projectsandschemes/7893.aspx#For_developers.