guide rail

noun

1. a track or rail designed to control the movement of an object, as a door or window.

Example Sentences

The tractor-trailer overturned and began to go over the guide rail of a bridge, according to New York State Police.

From Seattle Times

State police said the bus driver lost control and the bus struck a center guide rail then an embankment and traveled approximately 150 feet into a wooded area before coming to a stop.

From Fox News

Four of the bolts were intended to hold a guide rail in place to prevent the coupler assembly from rotating, while a fifth was identified as a “clamping bolt,” the safety commission said in a statement.

From Washington Post

The Greenwich Time reports 46-year-old Hongying Tian of Avon was ejected from her Volkswagen Tuesday night after it crossed a median, breached a metal guide rail and struck a tree.

From Seattle Times

Troopers say she traveled into the median, through a metal guide rail and struck a large tree.

From Washington Times