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Illinois Traffic Volume

Vehicle miles traveled, latest August 2026 (preliminary)

August 2026
9.3 billion
vehicle miles
Change from a year earlier
-1.3%
Last 12 months
104.4 billion
-0.4% from the year before
Rank among states
#8
By vehicle miles traveled

Vehicle miles by month

Millions of miles

Illinois vehicle miles traveled by month, millions

Monthly travel

Swipe the table sideways to see more columns.

MonthVehicle milesA year earlierChangeStations
August 2026preliminary9.3 billion9.4 billion-1.3%53
July 20269.2 billion9.2 billion-0.7%53
June 20269 billion9.1 billion-0.7%53
May 20269.2 billion9.3 billion-1.3%59
April 20268.8 billion8.9 billion-0.1%60
March 20268.7 billion8.8 billion-1.3%61
February 20267.8 billion7.5 billion+3.7%30
January 20267.7 billion7.7 billion-0.4%60
December 20258.3 billion8.5 billion-1.8%61
November 20258.2 billion8.3 billion-1.0%57
October 20259.4 billion9.4 billion+0.3%61
September 20258.9 billion8.6 billion+2.4%66
August 20259.3 billion9.3 billion+0.7%56
July 20259.2 billion9.1 billion+1.1%65
June 20259.1 billion8.9 billion+1.7%64
May 20259.3 billion9.3 billion-0.7%64
April 20258.9 billion8.7 billion+1.4%80
March 20258.8 billion8.6 billion+2.3%72
February 20257.5 billion7.5 billion-0.7%42
January 20257.8 billion7.7 billion+0.9%56
December 20248.4 billion8.2 billion+2.2%79
November 20248.3 billion8.4 billion-1.2%83
October 20249.6 billion9.4 billion+3.0%86
September 20248.8 billion8.9 billion-0.8%74
August 20249.4 billion9.5 billion-0.4%79
July 20249.2 billion9.1 billion+1.6%81
June 20249.1 billion9.2 billion-0.9%80
May 20249.9 billion9.7 billion+1.5%80
April 20249.2 billion9 billion+2.4%86
March 20249 billion8.8 billion+2.0%67
February 20247.7 billion7.6 billion+1.9%68
January 20247.9 billion8 billion-0.6%55
December 20238.2 billion8.1 billion+2.2%75
November 20238.4 billion8.2 billion+3.3%81
October 20238.9 billion8.8 billion+0.6%84
September 20238.4 billion8.5 billion-0.5%77

Vehicle miles traveled are FHWA estimates built from about 5,000 continuous traffic counting stations that states operate, expanded to all public roads. The latest month is preliminary and is revised in the next month's report; percent changes compare the same month a year earlier. Where a state reported no stations, FHWA estimates its travel from nearby states or the national trend.

Traffic crashes in Illinois · Bridge conditions in Illinois

Source: Federal Highway Administration, Traffic Volume Trends, Table 5 · Last updated 08/01/2026