In November, voters in Adams and Denver counties will be asked to approve the economic development deal.
Adams County Commissioner Erik Hansen says it could create thousands of jobs near DIA.
“We want to keep reminding people that this is a huge part of Colorado's economy and a huge opportunity in the decades to come after we pass this issue,” Hansen said.
The deal would update an agreement from the 1980s. That provided land in Adams County to Denver for the airport but limited business development. If approved by voters, Denver would pay Adams County $10 million for more expanded development. Any new tax revenue would be split evenly.