I have one of these
Philips Navigator Truckers Britain
Philip's Navigator Trucker's Britain is the must-have atlas for every professional driver - a special feature of this atlas is the inclusion of over 6000 low bridges, and their height restrictions, which are clearly marked on the maps. The maps also show fixed speed-camera locations, with their speed limits, and provide over 3000 road names as well as numbers. The atlas also includes a massive selection of 100 indexed town-centre maps, detailed approach maps to 12 major urban areas, plus route-planning maps, a distance table, and a fully comprehensive 43,000-name index.
The main road maps are at 1.5 miles to 1 inch (Northern Scotland at 3 miles to 1 inch) and are extra clear and detailed, showing even the smallest roads and lanes that are omitted from other atlases. Every roundabout, junction and slip-road is shown in detail on main roads and motorways. The alpha-numeric grid is based on the National Grid, so that the atlas can be used with GPS systems. In addition, every street in Britain is located on the maps