Drivers who fail to indicate or give way are being warned to look out.

Police will be cracking down on bad driving in Masterton next week after new statistics revealed crashes at intersections in the town are on the rise.

Recent crash data showed that of all Wairarapa crashes between May 1 to July 17, 14 per cent were at Masterton CBD intersections, a rise on the 8 per cent previously recorded in 2014, and the 9 per cent recorded in 2015.

Wairarapa acting traffic sergeant Shayne Nolan said starting Monday police would be patrolling Queen St intersections, concentrating on indicating, giving way and stopping at stop signs.

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Driving at certain intersections around the town was particularly bad, he said.

"I've been monitoring the Russell and Queen St intersection this week and it's pretty much nine out of ten people - it's really bad -- that just don't stop for that intersection.

"And just everyone around the roundabouts is getting frustrated with people not giving way."

Of all the driving problems, failing to give way was "the big one", Mr Nolan said.

"People are not taking enough notice of where they should be looking."

A lot of people were also still confused about what to do at roundabouts, despite a lot of safety advertising, he said.

"It just creates that little bit of frustration which when it builds up can cause larger, rash decisions.

"They are small roundabouts and people get confused about if they should be indicating right when they are going straight ahead, and there really isn't time to, and it can be frustrating for other people who are giving way just to see a vehicle turn off."

Most crashes were occurring during peak times such as during school runs and after work during weekdays.

Wairarapa Road Safety Council manager Bruce Pauling said he welcomed the enforcement campaign, having witnessed some people "almost getting cleaned up" on pedestrian crossings when drivers sailed through intersections in Kuripuni and at Queen St and Renall St.

"It's all about driver inattention and just choosing to flout the law.

"They just hook a left because they can without stopping, but the thing about that intersection is there's a pedestrian crossing and that's where a lot of our mobility scooter users cross."

Some drivers were also approaching pedestrian crossings at a "scary" speed, Mr Pauling said.

"Whether they are not noticing there's a crossing there -- but I would suggest that they do know -- but they are approaching these... far too quickly."

Police will also be focusing on seat belts and cell phone use as part of next week's operation.