Interstate 88 runs east-west across all of Lee County, with an interchange serving Dixon at US-52. Immediately south of the I-88 exit is the Lee County Business Park and north of the exit is the retail and commercial developments at Dixon Gateway and Tollway Drive. At the Dixon exit, I-88 has an average traffic count of about 16,000/day.
Interstate 39 runs north-south across eastern Lee County, connecting I-88 to I-80. I-39 has three exits in Lee County serving the village of Steward, US-30, and the village of Paw Paw. Through Lee County, average traffic counts on I-39 are about 20,000/day.
Lee County transportation networks (map) support development sites and communities along two US highways and four Illinois highways, in addition to two Interstate highways. Each of these pathways see average daily traffic counts in the thousands, and connect Lee County communities to neighbors like Rochelle, Sterling, Rock Falls, Mendota, Princeton, Rockford, and LaSalle-Peru.
Located at the border of Lee and Ogle Counties, the City of Rochelle Railroad, operated by Burlington Junction Railway, serves both the Union Pacific and Burlington Northern Santa Fe railroads, as well as the Rochelle Intermodal Transload Facility which is adjacent to the Dual Rail Megasite, a 1,000 acre industrial site in Lee County's northeast corner.
Dixon Municipal Airport - Charles R. Walgreen Field (C73) has two runways, the longest of which is 3,899 feet, at an elevation of 785 feet. The airport is on the east side of the City of Dixon, and just north of Interstate 88. The airport is named after Charles R. Walgreen, the founder of Walgreen's drug stores, who was born in Dixon and graduated from Dixon High School and Dixon Business College before launching his retail drug store empire.
Located along the Lee and Ogle County boundary, Rochelle Municipal Airport - Koritz Field (RPJ) has a 5,000 foot runway, and sits south of the City of Rochelle and just south of Interstate 88 and west of Interstate 39. Koritz Field was named for Major Thomas Koritz of Rochelle who was shot down while piloting an F-15 during the Persian Gulf War in 1991.