Route number is 531. Remember it—the number stays the same everywhere: on the stop display, in apps, on the vehicle itself. Look for 531 specifically. If you're not sure you found the right stop, just ask someone nearby: 'Does bus 531 stop here?'

This route serves the Pau (France) region. In larger metro areas, routes can pass through several districts or towns. To know for sure if it works for you, pull up the route map and check the key stops and direction.

This route is part of the 'Cars Régionaux Nouvelle-Aquitaine' transit system. Within one network, payment and transfer rules are often consistent. Terms can differ though, so check current fares and payment methods in up-to-date sources before your trip.

On transit maps this route is marked in #faf050. Color helps you spot the line quickly and tell it apart from others. In some cities the line color appears on stop signs or even on the vehicles themselves. The exact shade might vary between sources—go by route number and endpoints instead.