[http://www.openstreetmap.org/?lat=52.11984&lon=4.50175&zoom=15&layers=M Zoeterwoude] - Validation [http://keepright.ipax.at/report_map.php?lat=52.11984&lon=4.50175&zoom=15 KeepItRight]
[http://www.openstreetmap.org/?lat=52.140571&lon=4.472943&zoom=18&layers=M Leiden Brahmslaan] - Validation [http://keepright.ipax.at/report_map.php?lat=52.140571&lon=4.472943&zoom=18 KeepItRight]