![Swamped motorists on Western Avenue attempt to push their stalled vehicle. Before the 400-mile flood control system was installed, the majority of storm drainage was carried along on major roads toward a natural wash. Arterials are still a major component of the system, collecting and moving flood water downstream.](http://media.lasvegassun.com/media/img/photos/2008/04/22/scaled.flood020_t653.jpg?214bc4f9d9bd7c08c7d0f6599bb3328710e01e7b)
TONY BLEI / Las Vegas Sun / Sun File Photo
Swamped motorists on Western Avenue attempt to push their stalled vehicle. Before the 400-mile flood control system was installed, the majority of storm drainage was carried along on major roads toward a natural wash. Arterials are still a major component of the system, collecting and moving flood water downstream.