Arlington County has been working on various ways to help residents prepare for an emergency, to get information during an emergency, and to evacuate in the event of a major emergency.

In the video above, county officials discuss several initiatives, including the Arlington Prepares smartphone app, Arlington Alert emails and text messages, and permanent electronic message signs that will eventually be installed along Route 50 and other major local roads.

Also discussed: the county’s state-of-the-art traffic management center, which can adjust the timing of Arlington 282 traffic signals in the event of a weather emergency or an evacuation.