The Hoover Dam Police were assisted by unarmed Bureau of Reclamation security guards who control access to reclamation facilities and deter individuals who might consider criminal activities or terrorist acts.

National Park Service Law Enforcement Rangers from Lake Mead National Recreation Area now provide comprehensive federal law enforcement and emergency services for the facility and its visitors.

[7] That traffic was diverted south to a Colorado River bridge at Laughlin, Nevada.

On the Arizona side, the road across the dam dead-ends in parking lots, no longer connecting to US 93.

Personnel at the checkpoint may inspect any vehicle at any time before it is allowed to pass through and cross the dam.