KEY BISCAYNE, Fla. -

Hundreds of cyclists gathered on Key Biscayne Wednesday as Gov. Rick Scott signed a bill to help protect them on the roads.

The bill calls for tougher penalties for drivers who leave the scene of a fatal accident. The law is named after Aaron Cohen, a cyclist who was hit and killed on the Rickenbacker Causeway in 2012.

Police said Michele Traverso veered into the bike lane, hitting another cyclist and killing the husband and father of two.

Traverso spent less than a year in prison.

The Aaron Cohen Life Protection Act enforces a minimum mandatory sentence of four years behind bars if you leave the scene of a deadly accident -- the same as DUI manslaughter.