Motorcyclist in critical condition following Longueuil crash

A motorcyclist is in critical condition following an accident at an exit of the Louis-Hippolyte-Lafontaine tunnel in Longueuil Sunday morning. 
The victim lost control of his motorcycle on a curve of a ramp leading to Route 132 west around 5:30 a.m.
He hit a guard rail and flew off his bike.  The cause of the accident is unknown.