The city is relatively small and is easy to negotiate on foot. Walking in the midday heat can be uncomfortable, though.For safety reasons, visitors should be aware at all times. More specifically, they should try not to display conspicuous wealth or walk alone at night, as bag snatching is a problem.Unmetered taxis can usually be arranged through hotels. Bicycle rickshaws (cylos) are widely used, but are best for short distances. Tuk-tuks (motorbikes with small cabins attached to the rear) may be the best option for tourists. That is, English-speaking Tuk-tuk drivers can double as city guides. Passengers should negotiate fares beforehand.Phnom Penh's public buses are slower than the other forms of transport on offer. Still, they remove the threat of bag or phone snatching, passengers don't need to negotiate prices, and they're cheap.Renting a car may be unwise, given that roads and traffic are bad.