Wreck involving 18-wheeler and car closes portion of I- 459.

A wreck involving an 18-wheeler and a car closed Interstate 459 southbound Tuesday evening, halting traffic and tying up nearby routes for hours.

The collision occurred before 6 p.m. on a bridge near Acton Road and left a car dangling over the side of a bridge, a Rocky Ridge Fire District Chief said.

The female driver had to be extricated from the car through the front windshield, Lord said. She was treated at the scene and released.