A look at the stretch of Route 9 between Wellesley and Southborough

Development

in square feet

Current

17.8 million 

Projected total, built out to current zoning

33.5 million

Projected total, using smart-growth plan

28.7 million

Traffic

in vehicle trips per day

Current

339,000 

Projected, if built out

to current zoning

477,000

Projected, using smart-growth plan

405,000 

Source: Metropolitan Area Planning Council