Better for the environment and safer, public transport is the best option, when available and practical taking into account the nature of your journey, whether you can organise a day around fixed timetables, and whether you are feeling sociable: Weak-minded and frail persons may struggle carrying things and feel too insecure. Pooled transport should be used whenever it can be: the advantages to the world are too great for it to be overlooked for minor reasons. Personal transport should be used as a last resort.