There are also up to seven direct services from London King's Cross. ScotRail has the West Highland line heading north to Oban and Fort William and other direct links to Dundee, Aberdeen and Inverness. Train travellers are advised to purchase a Freedom of Scotland travelpass or a Highland Rover pass. There is also a three-day version available. Buses continue to Edinburgh, and taxis are available as well.
Bus services are frequent.
You can buy tickets when you board, but in most cases you must have exact change. Routes are shown on the Visitors Transport Guide Map. After midnight there are limited night bus services around the city leaving from George Square. In summer, Discovering Glasgow runs tourist buses every 20 minutes along the main sightseeing routes, starting at George Square. From mid-September to Easter there are four buses per day.