OPP say the man drove the wrong way down Highway 401 west of Kingston before he crashed.

Northumberland OPP reportedly observed a bicyclist riding in the eastbound lanes of Highway 401 just east of Wesleyville Road on Monday.

OPP allege the driver involved in a rollover was aggressive with officers and bystanders on Friday morning.

A tractor-trailer crashed on the eastbound lanes of Hwy. 401 Friday morning, near the off-ramp to the ONRoute service centre in Port Hope.

Northumberland OPP stopped a vehicle on Hwy. 401 in Hamilton Township and seized dried cannabis.

On Tuesday night, a transport truck was travelling eastbound along Highway 401 near McCowan Road when a set of wheels detached from the trailer, OPP say.

Police were called to Highway 401 under the Harwood Avenue bridge at around 2 a.m. Tuesday for reports that a body was lying in the eastbound lanes of the highway.

OPP say witnesses assisted with locating and containing the driver until police arrived on scene.

OPP allege a man ran onto the highway to avoid being arrested during a traffic stop on Hwy. 401 in Cramahe Township.

OPP allege the incidents on Hwy. 401 ranged in speed limits from 157 km/h to 175 km/h in a 100 km/h zone near Port Hope.