Road Warrior

The Federal Highway Administration is having a party Saturday to give the public a chance to to wander atop the Mike O’Callaghan-Pat Tillman Memorial Bridge before traffic begins flowing across the spectacular $240 million span later this month.

If a human being is walking between two solid lines — or in some cases across solid rectangular dashes — people in motor vehicles must stop. For some reason, this doesn’t always happen.

Officials are concerned that the two-mile stretch of U.S. Highway 93 that is only two lanes wide might cause congestion when motorists come off the new four-lane bypass bridge, which opens in November, and hit the bottleneck.