Complex sentence: Phase 4 of the Project, expected to begin in March 2011, replaces 7 bridges and widens Route 128 to 4 lanes in each direction from Route 109 to south of Highland Avenue in Needham.
Split into simpler sentences: Phase 4 of the Project is expected to begin in March 2011. This phase of the project will replace 7 Bridges and widen Route 128 to 4-Lanes in each direction from Route 109 To South of Highland Avenue in Needham.