Map of Hertfordshire and GIS data — download OSM vector layers

[hertfordshire.pbf] - for osm2pgsql, Osmium, Osmosis, imposm, mkgmap, and others. This file was last modified -16 hours ago and contains all OSM data up to March 19 2023 20:16:05. File size: 18.51MB; MD5 sum: cb6fbe7c5a92ff7ef3d1d4e9f2fa3c9e.

[hertfordshire.poly] - file that describes the extent of this region. About format