Canadian police have not seen a spike in cannabis-impaired driving since legalization. (Photo by THE CANADIAN PRESS)

Ottawa not looking at changing impaired driving laws despite study on THC levels

Feds say cannabis driving laws are ‘based on strong and indisputable evidence that cannabis is an impairing drug’

The federal government doesn’t plan on changing the legal THC limit for drivers, even after a B.C. study that suggested no connection between now-illegal amounts of the compound and risk of crashing.

A University of B.C. study, published in June in the journal Addictions, looked at THC amounts in blood samples from more than 3,000 people who were injured behind the wheel.

Of the 1,825 drivers deemed responsible in crashes, researchers found that drivers with less than five nanograms of THC, the psychoactive ingredient in cannabis, per millilitre of blood had no increased risk of crashing.

READ MORE: Low levels of THC in marijuana don’t increase car crashes: B.C. study

Canadians laws make driving with between two and five nanograms per millilitre a summary offence with a fine up to $1,000.

Having more five or more nanograms has a minimum fine of $1,000 and a max sentence of 10 years in jail for the first offence.

Researchers weren’t able determine if more than five nanograms increased the risk of crashing because only 20 drivers had that much, an inconclusive sample.

A spokesperson for federal Justice Department told Black Press Media that cannabis driving laws were “based on strong and indisputable evidence that cannabis is an impairing drug.”

“The prohibited levels also take into account the approach taken in other jurisdictions, including jurisdictions where cannabis has been legalized,” spokesperson Ian McLeod said in an email.

The fines for 2 nanograms or less are a “a precautionary approach taking into account the best available scientific evidence related to THC,” while the five nanogram amount indicates recent use, McLeod said.

According to UBC researcheres, THC levels peak above 100 nanograms per millilitre within 15 minutes of smoking pot and then drop to two nanograms or less within the next four hours.

Levels of THC take about eight hours to drop to two nanograms or less after consuming cannabis.

READ MORE: Early data suggests no post-legalization spike in drug-impaired driving charges

READ MORE: Driving with dope: Police talk rules on cannabis in the car

READ MORE: After 10 years of fighting drunk drivers, Alexa’s Team asks: What about pot?


@katslepian

katya.slepian@bpdigital.ca

Like us on Facebook and follow us on Twitter.

Just Posted

Hey kids, write up some magic for the Christmas Story Contest

Prizes for each division; kindergarten to grade 3, and grade 4 to 7

Freezing rain warning issued for central Interior Remembrance Day

Highway alerts in place for Begbie Summitt and Pine Pass

Remembrance Day Ceremonies will be happening in Barriere, Clearwater and Blue River

Join with others as we pay our respects to those who have served, and those still serving

Honouring local Veteran, Vern Wilson

McLure resident tells of his service during the war

BCTF rejects mediator’s recommendations for settlement

Negotiations between B.C. teachers and the province will continue

‘We love you, Alex!’: Trebek gets choked up by ‘Jeopardy!’ contestant’s answer

The emotional moment came in Monday’s episode when Trebek read Dhruv Gaur’s final answer

Judge rejects Terrace man’s claim that someone else downloaded child porn on his phone

Marcus John Paquette argued that other people had used his phone, including his ex-wife

Petition for free hospital parking presented to MP Jody Wilson-Raybould

What started as a B.C. campaign became a national issue, organizer said

Petition to ‘bring back Don Cherry’ goes viral after immigrant poppy rant

Cherry was fired from his co-hosting role for the Coach’s Corner segment on Nov. 11.

B.C.’s high gasoline prices still a mystery, Premier John Horgan says

NDP plans legislation this month, seeks action from Justin Trudeau

Group walking on thin ice at B.C. lake sparks warning from RCMP

At least seven people were spotted on Joffre Lakes, although the ice is not thick enough to be walked on

VIDEO: Don Cherry says he was fired, not sorry for ‘Coach’s Corner’ poppy rant

Cherry denies he was singling out visible minorities with his comments

B.C. teacher suspended for incessantly messaging student, writing friendship letter

Female teacher pursued Grade 12 student for friendship even after being rebuked

Disney Plus streaming service hits Canada with tech hurdles

Service costs $8.99 per month, or $89.99 per year, in Canada

Most Read