Cannabis users will drive into murky territory when they get behind the wheel

gb123

Well-Known Member
For the millions of Canadians who use cannabis, there are just 64 days left until they can light up a joint, inhale and breathe easy knowing that they are staying comfortably within the confines of the law.

But even after Oct. 17, when cannabis becomes legal, marijuana users who get behind the wheel will find themselves veering back into murky legal territory. While there may be new drugged driving laws on the books — and saliva testing devices heading soon to a police cruiser near you — critics say the legal landscape is still hazy for marijuana users who drive, with the potential to criminalize people who are not actually impaired.


The first drug-testing device being considered for Canadian approval is the Draeger DrugTest 5000, which has received early criticism for requiring an internal temperature of at least 4 C, putting its effectiveness during the Canadian winter into question. (MARTIN MEISSNER / THE ASSOCIATED PRESS FILE PHOTO)
Canadian regulators have now introduced legal limits for blood concentrations of THC, the main psychoactive compound in marijuana — even though researchers say there is no direct relationship between impairment and specific levels of THC in the bloodstream. Critics have also pointed to potential issues with roadside saliva testing devices, which were not designed with Canadian winters in mind and require internal temperatures of at least 4 C to work.

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Civil liberties advocates now worry the government has adopted a “zero tolerance” approach based on inconclusive science. They fear that sober people will end up receiving criminal records — and those at greatest risk will be medical cannabis users and racialized communities that are already over-policed, said Rob De Luca with the Canadian Civil Liberties Association.

“It’s going to criminalize a host of individuals who are basically going about their day, thinking they’re doing completely legal behaviour,” said De Luca, director of the CCLA’s public safety program. “The impact of bringing the full weight of the state and the criminal justice system against someone who may not have been impaired behind the wheel — that’s a remarkable thing.”

Share your thoughts
Do you drive, or would you drive, under the influence of cannabis?
Yes - I don't think impairment is significant enough to affect my driving when I smoke marijuana or use marijuana products.
No - I feel too impaired to get behind the wheel when I smoke marijuana or use marijuana products.
Maybe - I haven't thought about it before now.
Not applicable - I don't smoke marijuana or use marijuana products.
VoteView Results
 

gb123

Well-Known Member
Critics like De Luca do not question the dangers of drug-impaired driving or the importance of taking public safety into account. Studies have shown that cannabis can negatively impact cognitive and psychomotor performance and organizations like Mothers Against Drunk Driving have come out strongly in support of Canada’s new impaired driving laws.

Studies have also shown a higher risk of car crashes after cannabis use, with some papers suggesting a near-doubling of the risk. A recent Statistics Canada survey also found that one in seven cannabis users with a driver’s licence admitted to getting behind the wheel within two hours of consuming the drug.

But regulating cannabis is a much trickier proposition than regulating alcohol, which has now been thoroughly studied for decades. Alcohol is a simple molecule that eliminates from the body at a constant rate; cannabinoids like THC have complicated metabolic pathways and get stored in fat, releasing at different rates.

Frequent, chronic users — such as medical cannabis users — can also develop tolerance. And they can test THC positive for much longer periods than occasional smokers; one U.S. study, which looked at 30 men who were daily cannabis smokers, found that two people were still THC-positive 30 days after their last toke, albeit at low blood concentrations.

There is plenty of evidence that a person with a blood alcohol concentration of more than 0.08, Canada’s legal limit, is clearly impaired. But cut-off points are harder to generalize for cannabis users because THC affects everyone so differently, depending on a variety of factors — everything from a person’s history of cannabis use to the amount of fat tissue they have in their bodies.

“It makes it very complex to evaluate what a blood concentration means in terms of someone’s performance or behaviour,” said Dayong Lee, a toxicology manager with the Houston Forensic Science Center who has studied cannabis and impairment.

But Canadian regulators have decided to impose blood concentration limits for THC, even while acknowledging that “science is unable to provide general guidance to drivers about how much cannabis should be consumed before it is unsafe to drive or before the proposed levels would be exceeded.”

It is now illegal for Canadian drivers to have blood THC concentrations of five nanograms (ng) per millilitre or more — a crime that carries mandatory penalties of $1,000 and jail time for repeat offenders. Drivers with at least 2.5 ng/ml of THC in their blood, combined with low levels of alcohol, will also be charged.

Regulators have also made it a summary offence to have concentrations of between two and five nanograms per millilitre of blood. Offenders receive a maximum fine of $1,000 and a criminal record, which they can apply to suspend only after five years.

“The government should take every public safety approach that’s appropriate, but they shouldn’t take it when the scientific foundation is not clear,” said Kyla Lee, a Vancouver lawyer who defends impaired driving cases. “Meanwhile, people (will be) getting criminal records for drugs, which will render them inadmissible to the United States and have all sorts of consequences for employment, families, life insurance, etc.”

According to Dayong Lee, the cut-off points of two and five nanograms per millilitre are based on a handful of studies in which the majority of people showed some cognitive impairment at these concentrations. But these studies are based on relatively small populations and “it’s hard to generalize” their results, she said.

“I can think of less than 10 studies that support the five nanograms being impaired,” Lee said. “It’s really critical that drug blood concentration itself is not being used solely to demonstrate that this person is impaired.”

Forensic toxicologist Marilyn Huestis agrees. During her two decades with the U.S. National Institute on Drug Abuse, she conducted numerous studies looking at cannabis impairment and was “amazed” to find that in one small study of chronic cannabis users,she could still detect signs of impairment even three weeks after their last usage.

But she has yet to see a significant correlation between specific blood drug concentrations and impairment. “My philosophy for identifying impaired driving ... the first thing is that you show the person is really impaired. Because some people might have five (nanograms) or two (nanograms) and maybe they’re not impaired,” she said. “Then you do the biological sample to point (out) which drugs are causing the impairment.”

Yet, Canadian laws do not explicitly require drivers get tested for impairment before they can be charged with drug-impaired driving.

The Canadian government is also introducing new roadside devices that act as a kind of breathalyzer exam for drugs, including THC. But instead of blowing, drivers provide saliva samples that are tested on the spot using the same immunological technology as pregnancy sticks.

These devices can reveal whether specific drugs might be present, but further tests are needed to confirm blood concentration levels. The first device being considered for Canadian approval is the Draeger DrugTest 5000, which has received early criticism for requiring an internal temperature of at least 4 C. “Lots of Canada, lots of the time, is below four degrees Celsius,” Kyla Lee said.

In an email, Draeger Canada said its technology is “well suited to Canada, with internal temperature control functionality that helps ensure optimal performance in a broad range of conditions” but was unable to respond to followup questions by press time.

Huestis said she’s tested the Draeger DrugTest 5000 and it “works very well.” The device is already in use in countries like Australia and Spain, and in Norway, police apprehensions of DUI drivers more than doubled after the device was introduced, according to a 2018 study.

But other jurisdictions have reported lacklustre experiences with the device. According to tender documents, the Irish government anticipated that 50,000 tests would be performed with the device every year. Last year, however, police only used it on 612 drivers, with 90 testing positive for drug use.

A senior police officer told the Irish Times that the length of time required to use the device — at least 10 minutes — was a deterrent for officers, who opted to focus on alcohol detection instead. He said some officers also struggled to get usable saliva samples from nervous drivers, whose mouths would dry up.

According to a federal Department of Justice spokesperson, the Draeger DrugTest 5000 was recommended for approval by the Canadian Society of Forensic Science, which is also evaluating a number of other drug screeners. The device is now undergoing a 30-day “public comment period” that closes on Aug. 18, after which the attorney general will decide whether or not to approve it for use in Canada.
 

gb123

Well-Known Member
cannabis use

As cannabis legalization looms, we answer your burning questions about weed

Editorial | More must be done to dispel myths about driving high

Civil liberties advocates now worry the government has adopted a “zero tolerance” approach based on inconclusive science. They fear that sober people will end up receiving criminal records — and those at greatest risk will be medical cannabis users and racialized communities that are already over-policed, said Rob De Luca with the Canadian Civil Liberties Association.

“It’s going to criminalize a host of individuals who are basically going about their day, thinking they’re doing completely legal behaviour,” said De Luca, director of the CCLA’s public safety program. “The impact of bringing the full weight of the state and the criminal justice system against someone who may not have been impaired behind the wheel — that’s a remarkable thing.”

Share your thoughts
Thank you for voting!
Yes - I don't think impairment is significant enough to affect my driving when I smoke marijuana or use marijuana products. 41.83% (584 votes)

No - I feel too impaired to get behind the wheel when I smoke marijuana or use marijuana products. 22.92% (320 votes)

Maybe - I haven't thought about it before now. 3.3% (46 votes)

Not applicable - I don't smoke marijuana or use marijuana products. 31.95% (446 votes)

Total Votes: 1,396
Return To Poll
 

Hashishh

Well-Known Member
"A senior police officer told the Irish Times that the length of time required to use the device — at least 10 minutes — was a deterrent for officers, who opted to focus on alcohol detection instead. He said some officers also struggled to get usable saliva samples from nervousdrivers, whose mouths would dry up. "

Funny how the device used to catch stoners is foiled by one of the most common side effects of smoking - cotton mouth.
Better keep the dry mouth going before goin' fer a rip boys n gals!
 
Last edited:

Hashishh

Well-Known Member
After a bit more reading on https://www.alberta.ca/impaired-driving-law-changes.aspx

It seems that under 5ng of THC in the blood and more than 2ng are punishable by a max of a 1000$ fine. Now, Ive done my share of UA testing and have a pretty good understanding of how they work but blood tests are a little foreign to me. I was under the impression that amounts as low as those would take at least a few days to expel from the body?

If I'm right in that, does this mean that law enforcement can now pull over any daily toker and have them on the hook for a serious fine? Seems almost fool proof. I guess photo radar hasn't been doing too good lately $$$.


Now what are the laws on drawing blood? Does an officer need a warrant for such an act?

Moreso, I would look at how they're complicating everything by throwing alcohol and THC together. So rather than being charged with DUI at 0.08BAC you'll be on the hook with 0.05BAC and 2.5ng THC now.

I almost feel like they're "out to get me" so to speak with all these little ins and outs.



Is anyone else having a hard time coming to terms with these fucked up laws and regulations that seem quite prejudice towards those of us that enjoy to smoke in peace and quiet on our own time?
 

Kipn

Well-Known Member
i couldn't be bother reading the comments but people shouldn't be driving on weed or any other product that is mind altering. the rule should apply to proscription medications also but on saying that the way people are tested need big improvements.
 

Hashishh

Well-Known Member
i couldn't be bother reading the comments but people shouldn't be driving on weed or any other product that is mind altering. the rule should apply to proscription medications also but on saying that the way people are tested need big improvements.
The point is, if I smoke a 0.5gram joint of 18% thc this second, am I impaired 18 hours from now? How about even 6 hours from now? Reading the article and comments would probably help.

But hey, ignorance is bliss.

I agree as well that nobody should be driving under the influence of anything, but that's not the topic at hand as the article and comments point out.
 

Kipn

Well-Known Member
The point is, if I smoke a 0.5gram joint of 18% thc this second, am I impaired 18 hours from now? How about even 6 hours from now? Reading the article and comments would probably help.

But hey, ignorance is bliss.

I agree as well that nobody should be driving under the influence of anything, but that's not the topic at hand as the article and comments point out.
that's why i say the testing need improvement

impaired 18 hours from smoking one join = no but if someone is new to smoking or isnt a oz a week smoker then yes they might still be impaired 18 hours

i smoke a oz a week some times more. i can smoke 30 bongs or joints and be fine but ive smoker for 20+ yrs

some kid that's new to smoking 16-21yrs old will not be able to consume the same amount and be fine to drive ect

the rules are not based on what i or you can consume and be fine its what the other public can consume

ignorance is bliss only ignorance and out right disrespectful people consume drugs alcohol and even consider driving. i hope someone close to you dies really painfully and slowly from a impaired driver

so the point is dont fucking take drugs and drive. do you want your kids buss driver to be hung over from pot and have sluggish reaction times
 

tommarijuana

Well-Known Member
I'm fully legal medical and never ever medicate throughout the day,ever.At night in the privacy of my own home.I'm not out driving around for snacks,food etc.But you can bet your bottom dollar i would test over the stupid low level.Be damn if they will charge me,i will fight tooth and nail for my legal rights to treat myself with organic legally grown with love medicine.Its not a drug..its a plant
 

Hashishh

Well-Known Member
that's why i say the testing need improvement

impaired 18 hours from smoking one join = no but if someone is new to smoking or isnt a oz a week smoker then yes they might still be impaired 18 hours

i smoke a oz a week some times more. i can smoke 30 bongs or joints and be fine but ive smoker for 20+ yrs

some kid that's new to smoking 16-21yrs old will not be able to consume the same amount and be fine to drive ect

the rules are not based on what i or you can consume and be fine its what the other public can consume

ignorance is bliss only ignorance and out right disrespectful people consume drugs alcohol and even consider driving. i hope someone close to you dies really painfully and slowly from a impaired driver

so the point is dont fucking take drugs and drive. do you want your kids buss driver to be hung over from pot and have sluggish reaction times
Listen man, you didn't bother to read the article OR comments. Hence the ignorance is bliss comment I threw in. The point is, even at 15 when I had a toke I was definitely not stoned 6 hours later.

You must have also missed the point I said I don't believe anyone should drive under the influence of ANYTHING. the point is, as the law stands, people who aren't under the influence will be charged as those who are.

Now all I'm going to say on your other little part, is why would you wish one of my family members harm for something I said? Little messed, no?

I've lost family and friends both to drunk drivers. That's not something I wish on anyone, even my worst enemy.

Now apart from that, don't bring kids into this either. You ever wish ill on a child and you're worth less than the mud on my boots.

I won't bother saying more as this'll get heated. But I hope you and all around you have a good day.
 

gb123

Well-Known Member
i couldn't be bother reading the comments but people shouldn't be driving on weed or any other product that is mind altering. the rule should apply to proscription medications also but on saying that the way people are tested need big improvements.
hard to talk with someone who doesn't know their ass from a hole in the ground and can't spell to boot!

cheers doesn't know it all or care to learn ears(:


:weed:
 

gb123

Well-Known Member
never had the haze????




mojo
from ingesting 4000 mg's the next morning
,,,,,,,,,,,,,, = Kinda like waking up with sleep in your eyes.
Only takes a reg morning quick shower to get things goin 'and better than they were the days before I'll tell you! ;)
 

Kipn

Well-Known Member
hard to talk with someone who doesn't know their ass from a hole in the ground and can't spell to boot!

cheers doesn't know it all or care to learn ears(:


:weed:
i don't disagree but i agree if you believe driving under the influence is acceptable you're a moron
 
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