For information about tours, boat trips on the Rhine, and bus and train connections, contact the Koblenz Tourist Office, Bahnhofplatz 17 (tel. 0261/31304; www.koblenz.de). It's open Monday to Saturday 9am to 6pm, and Sunday 10am to 6pm.
The city is served by 10 main bus lines. Fare is 1.70€ to 2.45€ depending on how far you go, paid on the bus (the bus driver will help you get the proper ticket, though most tourists will stay in the central zone and pay the cheaper fare).
Note: This information was accurate when it was published, but can change without notice. Please be sure to confirm all rates and details directly with the companies in question before planning your trip.