Flagging down one of Paris' 15, 500-odd licensed taxis can be hard, particularly after 1am.

Be extremely cautious about accepting lifts and use only licensed taxis.

Only licensed taxis bearing a clearly identifiable number should be used.

The car itself is usually large, similar in feel to a licensed taxi.

Despite that undertaking, before the legislation was enacted, the committee and the council decided to increase the number of licensed taxis.

Dublin's 2,721 licensed taxis now serve a population of more than a million.

Where possible get hotels or restaurants to get you a licensed taxi.

You should not walk alone and travel by licensed taxi where possible.

Their fares vary widely and are often cheaper than those of licensed taxis.

Instead, take a licensed taxi (yellow ones, with price stickers on the outside).