Programming Note: Due to Dolphins preseason football on CBS4, "The Big Bang Theory", "Mom", "Big Brother", and "Under the Dome" will air on our sister station, WBFS, myTV33 (Cable 3 or HD436).

Maggie Fernandez

ROBERT SULLIVAN/AFP/Getty Images

Miami-Dade Orders Safety Study For Dangerous Rickenbacker

The Rickenbacker Causeway, linking Miami to Key Biscayne and named for a famed adventurer, can pose a life and death venture for some.

03/04/2014

"Harriet" the PortMiami Tunnel boring machine breaks through Dodge Island after completing the first of two tunnel tubes from Watson Island. (Source: CBS4)

PortMiami Tunnel Boring Machine Has “Break Out” Moment

Construction of the new $1 billion PortMiami tunnel reached a milestone Tuesday when “Harriet”, the giant tunnel boring machine digging under Government Cut, reached the halfway point.

CBS4–07/31/2012