Our Infrastructure

The Lake County Board is committed to maintaining and enhancing the County’s infrastructure, including supporting transportation policies and projects to help reduce commute times; and exploring new ways to protect and design flood-resilient infrastructure.

December 2020: Quentin Road Widening is Substantially Complete

All lanes were opened on Lake County’s Quentin Road project in Kildeer and Lake Zurich. Work occurred for more than two years on a $22 million construction project to widen a 1.95 mile stretch of Quentin Road to five lanes. Read more

October 2020: 5-Year Public Works Capital Improvement Program

The Lake County Department of Public Works releases its five-year plan to preserve, modernize and expand the water and wastewater systems under the jurisdiction of Lake County. Read more

October 2020: LCDOT’s 7th Roundabout is Complete

The new roundabout opened to all traffic at the intersection of Dilleys and Wadsworth. Read more 


August 2020: 5-Year Transportation Improvement Plan

The Lake County Division of Transportation releases its five-year plan for improvements. Read more

November 2019: Stormwater Management Projects Get Funded

The Lake County Board approved $2.1 million for fiscal year 2020 for SMC's new capital improvement plan, $1.6 million for flood-prone property buyouts and $1.2 million for seven watershed projects for water quality and other improvements. Read more

October 2019: State Funding for Road Improvements

The State of Illinois announced it will provide $540 million in funds to Lake County for road improvements as part of the Rebuild Illinois program. Read more

October 2019: The “Millburn Strangler” is No More

The new US Route 45 Millburn Bypass opened to all traffic in north-central Lake County. This $31 million project improved Route 45 from IL 132 to IL 173 and created a bypass of the Millburn Historic District, addressing one of the most congested traffic spots in Lake County, hence its nickname “the Millburn Strangler.” Read more

September 2019: Grandwood Park Lake Dam Opens

The Grandwood Park community, the Grandwood Park Park District (GPPD) and the Lake County Stormwater Management Commission (LCSMC) celebrated the grand reopening of the Grandwood Park Lake Dam. Read more

March 2019: Des Plaines River Watershed

The Lake County Stormwater Management Commission (SMC) reported the results of a study of the Upper Des Plaines River Watershed (DPRW) within Wisconsin and the potential impacts in Wisconsin and Illinois due to development in that region. The study area included the Foxconn Technology Group development site, which is part of the Electronics, Information Technology and Manufacturing Zone (EITM Zone). Four major areas of concern were outlined. Read more