Lucy Diggs Slowe actually dug the tunnel right on schedule.

DCist descends 160 feet into the earth to find out what’s going on down under Bloomingdale.

The First Street Tunnel will help prevent flooding during bad rainstorms in Bloomingdale and LeDroit Park.

The First Street Tunnel, which “help alleviate some of the sewer backups and overland flooding experienced in the low-lying neighborhoods,” should be completed in 2016.