May 23, 2015 12:50 pm Proposed Tunnel Could Alleviate Downtown Traffic in Miami An engineer from Boston has proposed a tunnel that would run under the Miami River, saying the project would help alleviate traffic in the Brickell area. NBC 6’s Bobby Brooks reports. US & World Videos 6:09 Commissioner discusses judge's decision on Urban Development Boundary in Miami-Dade 1:32 6 to Know — Top stories of the day 1:46 Broward Sheriff's deputy hits man with vehicle while responding to call 2:31 Family returns to crash site that killed two women in Hialeah 2:04 Family calls for justice after deadly crash in Hialeah