The chair of the Toronto police board has drafted a report on recording “dooring” accidents — when cyclists collide with an abruptly opened car door — which aren’t currently tracked.

Last week, the Star reported that dooring incidents fall outside the police definition of a “collision” and so are not recorded.

Alok Mukherjee, head of the Toronto Police Services Board, was out of the country Thursday and could not be reached for comment, but his senior adviser, Sandy Murray, said Mukherjee took the issue “seriously” and that the report would be discussed when the board meets on July 18.

It is not clear what the report says — it will be released with the meeting’s agenda. Mukherjee’s office declined to provide the Star with an advance copy.

In 2011, there were 1,315 police-recorded collisions involving bikes in Toronto, a figure that includes zero doorings.

“Realistically, there’s no reason for us to track it, because it doesn’t meet the criteria of collision,” said police Traffic Services spokesperson Clint Stibbe.

Toronto, York Region and Waterloo police define a collision as “the contact resulting from the motion of a motor vehicle or streetcar or its load that produces property damage, injury, or death.” A car’s suddenly opened door does not, however, count as “motion.”

In May 2008, a 57-year-old Toronto man was killed after striking a car door while riding his bike on Eglinton Ave.

Chicago police have been tracking doorings for three years. Between 250 and 300 such incidents are reported each year, with an ambulance called to the scene in half of them. Chicago and Toronto have nearly identical populations and cycling seasons.

Some city councillors are calling for police to track what cyclists sarcastically call “door prizes.”

Councillor Mike Layton, who was doored on Bathurst St. in April, said, “I think it would probably be worthwhile” to keep track.

“It doesn’t seem like it would require too much effort . . . Part of keeping cyclists safe is being able to keep track of what type of concerns there are.”

Councillor Adam Vaughan, who was also doored recently — “It hurt like hell” — said he asked police last year to set up an online database on which cyclists could report when and where they are doored. (Police spokesperson Meaghan Gray said she was unaware of any such request.)

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Councillor Denzil Minnan-Wong said dooring should be made a specific offence, “so that statistics could be easily compiled.”

Jared Kolb, executive director of the cyclists’ group Cycle Toronto, met with Transportation Minister Glen Murray last week, and said Murray was “sympathetic” to cyclists’ concerns about dooring.

The provincial fine for improperly opening a vehicle’s door — the infraction that covers dooring a cyclist — is $85. Drivers can also be penalized by two demerit points.

The ministry says it does not plan on asking the courts to increase the fine. In Chicago, the fine will be $1,000 starting this Saturday.