Transportation staff examine many crossing plans, with the mainline highway on bridges but connections in tunnels or on bridges and viaducts. In July, the state selects a bridge and viaduct crossing plan, Scheme Z . In August, model of Scheme Z bridges and viaducts unveiled. Charlestown activist Daniel King prepares a drawing of the visual effect of Scheme Z from Charlestown . Boston Globe carries series of articles critical of Scheme Z design and approval process.
Opposition builds in the weeks before the state's final environmental signoff.
The city councils of Boston and Cambridge voted their opposition. Seeking greater consensus, Taylor asks a group to continue working on the plan. BDRC issues Report on the Charles River Crossing , October 1991 . The ad hoc group formed to refine the plan develops a new version, CIP 8.1D. Cambridge accepts this plan and CRT leaders agree to drop their suit. During the summer of 1992, to satisfy objections to it from Beacon Hill Civic Assn., Boston, and FHWA, the state prepares refinements of the plan and and comes up with five modifications.