Dating to 1909, the alleyway between State and Astor street, behind the Archbishop of Chicago's mansion is made from wooden blocks soaked in creosote to prevent corrosion and improve flammability. The oldest street in Chicago is also one of the most unique. Hunter School Avenue in Pleasant Mound near Carlyle Lake - 10 AADT Busiest Streets over Chicago RiverĮast Congress Parkway from Chicago River to South Michigan Avenue - 82k (highway offramp) Least Busy Street in Illinois (with available estimates) Least Busy Through Streets in Chicagolandĭavis Street between Forest Place & Sheridan Road near Dawes Park - 103 AADTġ43rd Street between Kedzie Avenue and California Avenue - 275 AADTĮast 24th Street between South Michigan Ave & South Indiana Avenue - 309 AADTġ98th Street between Torrence Avenue/IL83 and South Burnam Avenue - 500 AADT I元90 from IL19/West Irving Park Road to North Mecham Road - 70k North McCormick Boulevard from West Touby Avenue to West Devon Avenue - 142kĮast Congress Parkway from Chicago River to South Michigan Avenue - 82k North Lakeshore Drive/US 41 from West Fullerton to North Cameron Drive - 160k average combined daily traffic I-88 - From US31 in Aurora to Farnsworth Avenue - 86kīusiest Non-Interstate Streets in Chicagoland I-57 - From US30 in Matteson to I-80 Junction - 74k I-55 - From US52 in Shorewood to US30 in Plainfield - 72k I-355 - From IL7/West 155th Street to I-80 Junction - 55k Most of the least busy stretches of Chicagoland interstates are newer suburban/exurban routes near less densely populated areas, minus the Chicago Skyway, which receives relatively little traffic as a result of the newer expressways providing similar routing without a toll. I-80 - From IL83 to US41 - 189k Least Busy Stretches of Chicagoland Interstate I-294 - From O'Hare Way to Irving Park Road - 212k I-290 - From South Pulaski Road to South Sacramento Boulevard - 220k I-90/I-94 - From Claybourn to West Division Street (North of City) - 305k I-90/I-94 - From Dan Ryan Expressway/Chicago Skyway junction, Exit 59C North to Pershing Road Exit 55A (South of City) - 330k The interactive interstate map below shows that the stretches of interstate shown below are the most heavily traveled named interstates in the Chicagoland area. In the evenings, traffic begins to slow starting at 3pm, and subsides in most places around 7pm.īusiest Stretches of Chicagoland Interstate The above animation shows that traffic starts to slow starting each day around 6am, with congestion clearing at 10am. Here at Illinois Vehicle, we've used US Department of Transportation data along with online mapping tools to visualize when roads are busiest along with the busiest roads in the Chicagoland area. Chicago is crowded- so it has plenty of traffic.

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