‘Good balance between detail and clarity with excellent town maps’ What Car? PHILIP’S – Market leader and No. 1 in the UK for clear maps 2025 Philip’s Road Atlas of Britain and Ireland is a top-of-the-range, A4-sized, spiral-bound atlas, featuring fully updated maps from the Philip’s digital database. Voted Britain’s clearest and most detailed in an independent consumer survey, the mapping is super-clear.