Team must replace moveable spans while maintaining commuter service.

Agreement with Lehigh Cement and Lehigh White also calls for $12 million for pollution-control upgrades at 11 plants including one in New York state.

In deal to be completed, Layton Construction would offer NY firm added markets and $1.8 billion in revenue but keep name and execs.

A fatality on a Massachusetts bridge project has a local labor union questioning whether two union construction workers were properly trained to run the aerial lift they were operating at the time.