Come for Learn: America's 25 Worst Highway Bottlenecks, 2012 Each year, the Daily Beast compiles a list of the country's worst bottlenecks using data supplied by INRIX, a traffic tracking and analyzing company. Their Traffic Index collects data from 100 million vehicles to score the amount of extra time it takes to drive through a particular stretch of highway during rush hour. Consult the table below to find out what freeways to avoid when you hit the road. RankCityFreewayWorst corridorLength of worst corridorExtra time during rush hourWorst travel hour 1.Los AngelesHarbor Freeway/CA-100 northboundI-10/Santa Monica Freeway to Stadium Way/Exit 24C3.1 miles8 minutesTuesday, 6–7P.M. 2.New York CityVan Wyck Expressway/I-678 northboundBelt Parkway/Exit 1 to Maine Street/Exit 83.1miles10 minutesMonday, 8–9A.M. 3.San FranciscoCalifornia Delta Highway/CA-4 westboundHillcrest Avenue to Somersville Road2.9 miles6 minutesTuesday, 6–7A.M. 4.ChicagoStevenson Expressway/I-55 southboundState Street/Exit 293C to Pulaski Road/Exit 2875.7 miles10 minutesThursday, 4–5P.M. 5.Dallas-Ft. WorthLoop 820/I-820 westboundTX-26/Grapevine Highway to US-377/Denton Highway/Exit 193.1 miles6 minutesFriday, 5–6P.M. 6.HoustonUS-59 northboundBuffalo Speedway to I-454.8 miles7 minutesFriday, 5–6P.M. 7.SeattleI-405 southboundWA-520/NE 14th Street/Exit 14 to SE Coal Creek Parkway/Exit104.5 miles7 minutesThursday, 5–6P.M. 8.Washington, D.C.Capital Beltway/I-495 outer loopUS-1/Baltimore Avenue/Exit 25 to MD-97/Georgia Avenue/Exit 316.3 miles8 minutesWednesday, 8–9A.M. 9.BostonSoutheast Expressway/I-93 southboundI-90 to Freeport Street/Exit 133.7 miles6 minutesFriday, 4–5P.M. 10.PittsburghPenn Lincoln Parkway/I-376 eastboundLydia Street/Exit 2 to US-19/PA-51/Exit 53.4 miles9 minutesWednesday, 8–9A.M. 11.Austin, Texas1-35 southboundUS-183/Exit 239-240 to Woodland Avenue6.7 miles10 minutesThursday, 5–6P.M. 12.MiamiDolphin Expressway/SR 836 westboundI-95 to FL-959/Red Road5.5 miles11 minutesFriday, 5–6P.M. 13.San DiegoCA-78 eastboundRancho Santa Fe Road to Mission Road4.2 miles5 minutesWednesday, 5–6P.M. 14.HonoluluLunalilo Freeway/I-1 eastboundHI-92 to S. Vineyard Boulevard/Ward Avenue3.9 miles9 minutesWednesday, 5–6P.M. 15.Minneapolis-St. PaulI-494 eastboundUS-212/Prairie Center Drive/Exit 1 to CR-32/Penn Ave/Exit 65.7 miles6 minutesThursday, 5–6P.M. 16.PhiladelphiaDelaware Expressway/I-95 southboundAcademy Road/Exit 32 to Girard Avenue/Exit 238.3 miles7 minutesTuesday, 8–9A.M. 17.New OrleansI-10 westboundCauseway Boulevard/Exit 228 to End Boulevard/Florida Boulevard5 miles5 minutesThursday, 5–6P.M. 18.BaltimoreBaltimore Beltway inner loop/I-695 northboundUS-1/Southwestern Boulevard/Exit 12 to Security Boulevard/Exit 175.3 miles4 minutesThursday, 5–6P.M. 19.AtlantaGA-400/US-19 southboundCA-120/Old Milton Parkway/Exit to GA-140/Holcomb Bridge Road/Exit 74.7 miles4 minutesTuesday, 8–9A.M. 20.Bridgeport, Conn.Connecticut Turnpike/I-95 northboundField Point Road to Mill Plain Road/Exit 2122.2 miles12 minutesFriday, 5–6P.M. 21.PhoenixPapago Freeway/I-10 westboundAZ-51/AZ-202/Exit 147 to 35th Avenue/Exit 1416.2 miles4 minutesThursday, 5–6P.M. 22.Sacramento, Calif.S. Sacramento Freeway/CA-99 southbound12th Avenue to Mack Road/Bruceville Road5.4 miles4 minutesWednesday, 5–6P.M. 23.San JoseBayshore Freeway/US-101 southboundFair Oaks Avenue to De La Cruz Boulevard4.2 miles5 minutesThursday, 5–6P.M. 24.Baton Rouge, La.I-12 eastboundEssen Lane to O'Neal Lane5.8 miles6 minutesThursday, 5–6P.M. 25.Riverside, Calif.Riverside Freeway/CA-91 westboundMcKinley Street to Auto Center Drive/Serfas Club Drive5.6 miles6 minutesMonday, 6