Coming up today in the D.C. region:

Smoking ban: The Montgomery County Council will vote on a bill that would extend the smoking ban on county property.

Va. transportation bill: A Virginia Senate committee is slated to take up Gov. Robert F. McDonnell’s transportation plan today.

Mardi Gras: Clarendon’s annual Mardi Gras Parade, featuring bands, floats and other festivities, begins at 8 p.m.

State of the Union: President Obama will deliver his State of the Union address at 9 p.m. Drivers should beware of street closures around the U.S. Capitol.