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In reply to the discussion: NYPD demands that Google's Waze app stop revealing DWI checkpoints [View all]LakeSuperiorView
(1,533 posts)Last edited Thu Feb 7, 2019, 04:16 PM - Edit history (1)
In 1994, the Minnesota Supreme court ruled them unconstitutional on the basis that they lacked probable cause. Minnesota will bust your ass if you are
Drifting in and out of traffic lanes
Swerving
Tailgating
Taking an illegal or abrupt turn
Frequent and abrupt braking
Driving in the dark without headlights
Driving in an incorrect lane
but you have to present reasonable suspicion by the above or other behaviors.
38 states allow stopping vehicles for no reason to conduct DWI checkpoints. The states that don't allow them (interesting that most are northern states):
Alaska - No state authority
Idaho - Illegal under state law
Iowa - Statute authorizing roadblocks does not permit sobriety checkpoints
Michigan - Illegal under state constitution
Minnesota - Illegal under state constitution
Montana - State law only permits "safety spotchecks"
Oregon - Illegal under state constitution
Rhode Island - Illegal by state Supreme Court decision
Texas - Illegal under state's interpretation of the U.S. Constitution
Washington - Illegal by state Supreme Court decision
Wisconsin - Illegal under state law
Wyoming - Illegal under interpretation of roadblock statute
I have only encountered one back when they were trialed and I used an alternate route to avoid the delay. I saw them on the highway from the parallel road I used. Looked to be at least a 15 minute delay. I had been babysitting my cousin's kids and it was a easy route change.