Please stay on the beaten track and only get into licensed taxis at licensed ranks. The roads in the USA are a lot different to the UK so please familiarise with the lanes and junctions etc before crossing the road.
Be alert at all times and be aware of your surroundings. Take the usual safety precautions so you do not become a targets for pickpockets. Don’t put your wallet or mobile phone in your back pocket. Put any valuables items in a dark colour shopping bag when going out to avoid attention.