There are calls for Gardaí to clamp down on speeding motorists in built up areas.

It comes as nearly 600 cyclists received on-the-spot fines for cycling offences in the first six-months of a new penalty regime.

Fines were introduced for seven offences at the end of last July and 577 people were issued with a fine by the end of January.

According to the Irish Times, 330 received fines for breaking red lights - the most common offence - while 125 did not have a front or back light after dark.

More than 20,000 fines were issued to speeding motorists during the same period.

Dublin Green Cllr Ciarán Cuffe says drivers also need to adhere to the rules of the road: