Public Transport Access Levels (PTALs) 2019 Hillingdon Drawn by: SGC Date: 10/02/2020 0 2 4 km © 2018 Collins Bartholomew Contains OS data © Crown copyright and database rights 2018 For more information, including analysis assumptions and caveats, please consult WebCAT, TfL's connectivity toolkit. https://tfl.gov.uk/webcat PTAL 0 1a 1b 2 3 4 5 6a 6b ! ( Rail Stations ! ( LU Stations ! ( DLR Stations ! ( Tram Stops