06/24/2012 11:26 am ET Updated Aug 24, 2012

By Train, Bus, Bike, New Transportation Options For Miami's Urban Core

Maryann Romero happily left her car at her Brickell Avenue condo to go shopping downtown the other day, an urban outing made possible only recently with the launch of the city of Miami's free Brickell-Biscayne trolley-bus line.

Romero rode the throwback-style trolley bus through the bustle of downtown and the financial district, the happy-hour crowds at Brickell Village and joggers on Brickell Key.