Buffalo Grove officials signed off Monday on $467,000 in unexpected engineering costs associated with the .
But, they added, the village will ultimately pay only a fraction of that amount.
About half of the expense will be used to complete a study of Lake-Cook Road between Hastings Lane and Raupp Boulevard. The $241,000 will be fully reimbursed by the Cook County Highway Department, officials said.
The remaining $226,000 will be used to complete the first study phase of the Weiland/Prairie corridor from Lake-Cook Road to Route 22. Lake County will reimburse the village for about 83 percent of the cost, leaving Buffalo Grove’s portion at $38,421, Public Works Director Greg Boysen said.
Studies regarding environmental factors and noise walls account for the additional cost. Noise walls are proposed along both corridors to create a barrier between traffic and nearby homes. Residents who would be impacted by traffic noise will ultimately vote on whether noise walls are installed.
The expenditure was approved 5-1. The dissenting vote came from Trustee Andrew Stein, who questioned whether the additional cost had been included in the village’s budget, and whether additional expenses could arise.
“Do we foresee any more unforeseen expenses?” he asked.
Boysen said no additional expenses are expected. Village Manager Dane Bragg said capital reserve funds will cover the new expenses until the reimbursements arrive.