The low build alternative would route traffic through other cities. Our City shouldn't be involved with the problem. Growth is the problem. He felt a cut and cover tunnel should be built over the freeway to reduce noise and air pollution. The cost could come from the existing funding.
Cities can get air rights over freeways.
Funds for sound walls could be applied to the project. The City could build fields in the air space over the freeway. The drawbacks would be lights and noise from the park. There needs to be a preliminary design and budget. The Council should consider this and other measures to deal with the noise and traffic.