Police and Auckland transport staff were out in force this morning to crack down on drivers who don't stop for red lights.

Police are cracking down on red light runners in a two-week road safety operation.

Police identified four high-risk Auckland intersections to monitor during peak morning traffic, all of which on the North Shore.

Waitemata Road Policing manager inspector Trevor Beggs said Operation Road Safety aims to reduce crashes at intersections and subsequent traffic congestion.

BEVAN READ/FAIRFAX NZ Auckland Transport staff and police educate a driver pulled up at a red light running check point.

"We need to educate motorists around intersection safety," he said.

"If they're patient and obey traffic signals we can prevent these totally avoidable deaths and serious injuries."

The operation is a joint initiative between New Zealand Police, Auckland Transport and the New Zealand Transport Agency.

BEVAN READ/FAIRFAX NZ Police and Auckland Transport staff have targeted four Auckland intersections for red light runners.

Auckland Transport's Randhir Karma said it was about changing behaviours.

"It's a slower, sustained, longer process to change behaviour," he said.

If a driver is caught running a red light they'll receive a $150 fine. If caught running a yellow they'll get information and advice.

"They receive a brochure around the risks of running red lights, their responsibility to other road users and themselves," Karma said.

Commmuter John Heselton cycles to and from work daily and said red light running was an increasing problem at the intersection of Oteha Valley Rd, Albany Expressway and Dairy Flat Highway.

"I have friends who drive and they can't believe that I actually cycle in Auckland. They're fearful for my life sometimes," Heselton said.

On the first day of the campaign, police issued 23 infringement notices to red light runners and 45 warnings to yellow light runners.

Four infringement notices were given to vehicles blocking intersections.

A driver who ran a red light at the monitored intersection at the top of Onewa Rd crashed into another car and will be prosecuted.

"This morning's results confirm that some motorists are making poor choices at intersections. Our message is be patient and obey traffic signals," Beggs said.

Between 2010 and 2014, 55 people died and 737 were seriously injured in intersection crashes.

Police will be monitoring at risk intersections in Albany, Birkenhead, Glenfield and Northcote as part of their campaign.