'Stay Away:' Commonwealth Avenue Bridge Construction Is Underway

Friday is the first full day of construction to replace the westbound side of the Commonwealth Avenue Bridge. It's one of the last phases of a $110 million project that will both replace an ailing bridge and cause some severe traffic hurdles between now and Aug. 11.

For details and tips on closures and detours, here's a guide to what you should know, and for more, you can visit the Massachusetts Department of Transportation's website.