  the dan ryan expressway is a freeway in the city of chicago that runs from the jane byrne interchange with i-290 near downtown chicago through the south side of the city. it is designated as both interstate 94 and interstate 90 south to 66th street, a distance of . it then becomes just interstate 94 at the split with the chicago skyway (which leads to interstate 90), with a remaining distance of . this is a total distance of . the freeway was named for dan ryan, jr., a former president of the cook county board of commissioners. == route description == on an average day, up to 307,100&nbsp;vehicles use a portion of the dan ryan (2005 data). the dan ryan, and its north side counterpart the kennedy expressway, are the busiest roads in the entire state of illinois. utilizing an express-local system, the dan ryan has fourteen lanes of traffic; seven in each direction, with four of those as express lanes and the other three providing access for exit and on-ramps. despite its width, the dan ryan is prone to traffic jams. the posted directions on the dan ryan are different from the actual compass direction of the expressway, which may cause confusion to many travelers. the dan ryan for its entire  length runs northâsouth. however, the dan ryan is a part of the larger interstates 90 and 94, which both run eastâwest through the united states. therefore, one who is traveling "west" on i-90/94 is actually driving north on the dan ryan as it passes through chicago; the interstates continue on a westernly path outside of the city. similarly, "east" on 90 and 94 on the entire system is really south through chicago; the interstates will continue on an easternly path outside of the city. chicagoans also typi
Expressways_in_the_Chicago_area Interstate_90 Interstate_94 Transport_infrastructure_completed_in_1962