A route is the path through town taken by a bus. The number of the bus - as it appears on the front of the vehicle. Several bus companies operate in Edinburgh. This indicates the order of the stop within the route. Some routes may revisit a stop.
Most buses go in both directions.
This references the stops table As different companies use numbers arbitrarily the num and the company are both required to identify a route. Many infrequent services have been omitted Many route variations have been ignored. These include peak time limited stop services and truncated services.