Reduce Impaired Driving Everywhere or RIDE is a sobriety testing program used by police in Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

. The program began in 1977 as Reduce Impaired Driving in Etobicoke and the success of the program led to the expansion across the province of Ontario

Ontario

Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....

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The roadside spot-checks usually appear during the holidays to catch drunk drivers, but the program lasts year round. Volunteers are also enlisted to participate in the program.

Police roadside spot-checks are set up on major roadways and off-ramps of highways. Random cars are stopped, and questions are asked. If a driver is suspected to be DUI

DUI

DUI is a three letter acronym that may stand for:* Driving under the influence * Democratic Union for Integration — the largest ethnic Albanian party in the Republic of Macedonia* Data Use Identifier...

, the officer may request a roadside breathalyzer

Breathalyzer

A breathalyzer or breathalyser is a device for estimating blood alcohol content from a breath sample...

test.