Recreational marijuana and road safety: need to measure/enforce impairment at odds with scientific evidence for establishing threshold

Experts say legal weed calls for a ‘paradigm shift’ on how we think about impairment — and drugged driving
Hartford Courant, February 15, 2019

Follow-up four-years later shows drivers’ mobile device-specific distraction is changing — manipulation: Survey

Risky phone use while driving is soaring, and it’s killing Americans, IIHS study finds
USA Today, January 24, 2019

Initial month of ticketing for eDUI violations in Washington saw state police stop nearly 1,700 with over half yielding citations

WSP troopers write 878 tickets for distracted driving in first month of Washington’s E-DUI law
The Spokesman-Review, February 22, 2018