Mass Pike construction could back up traffic for hours this weekend. Here's what Boston drivers should know.

Mass Pike construction could back up traffic for hours this weekend. Here's what Boston drivers should know.
Neal J. Riley, a digital producer at CBS Boston, reports on a major construction project on the Mass Pike near Boston. Lane closures for a bridge replacement will impact drivers, MBTA, and Amtrak riders this weekend. Highway officials advise planning ahead and seeking alternate routes to avoid delays.