Liverpool is pedestrian-friendly, and visitors can enjoy many of the city's sights and sounds on foot, but taxis, buses, and trains are also readily available. An underground system operates between the city's four main train stations.The Live Smart ticket, which can be bought online, offers free travel on two major bus lines as well as discounted entries into various attractions and is a good purchase for tourists. The city is relatively easy to negotiate by car, and there are several car rental agencies available.A great way to explore the city and its surrounds at a leisurely pace is on the Mersey Ferry. A regular service links Liverpool's Pier Head to neighbouring Birkenhead on the Wirral. Uber and similar mobile app based taxi services are available.
