New transportation leader vows to lower fatalities, increase innovation and multimodal options.

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.