An app designed to help drivers avoid traffic proved helpful during a recent deadly flood. Traffic data from Waze helped government officials and first responders in Louisiana during Baton Rouge’s flooding in August. Esri announced a partnership with Waze and local governments on Oct. 12 to encourage more states and cities to use roadway data for similar projects.

Military and overseas citizens face extra challenges when voting, and the threat of ballot hacking shouldn’t be one of them. Overseas voters have the option of emailing their ballots, which increase the likelihood that they could be hacked.

The Baton Rouge Department of Information Services on Aug. 19 created an interactive map to track damage as the Louisiana city dealt with disastrous flooding. Within hours, 10,000 people, including rescue teams, had used the map.