The Metro Shuttle airport bus runs every half hour between the international airport and city centre hotels. Better - and reasonably-priced if you're good at bargaining - is a taxi. Once in the city, buses are a cheap way of getting around, but they can be very crowded during peak hour and are a pickpocket's paradise. Matatus (minibuses) are much the same, although they tend to be more frequent and their drivers often crazier. Taxis are unmetered and expensive, but vital for night travel for safety reasons and often well worth the extra money during the daytime as well. The main part of town is easily traversed on foot.