this section of the I-290 as having the worst congestion in the US; the average truck speed just . The interchange is currently being reworked with an estimated completion date. Old Post Office Just east of the I-290–I-90/I-94 junction in downtown Chicago, the Old Chicago Main Post Office is a building that stretches over Ida B. Wells Drive. If one drives eastbound on I-290 and continues past I-90/I-94, the highway ends and becomes Ida B. Wells Drive. The Old Post Office was a landmark that was sometimes used in referring to the end of I-290 in downtown Chicago. For example, a traffic reporter might say "forty minutes from Mannheim to the Post Office". This large building was used by the US Postal Service (USPS) until 1996. The building itself was built from 1921 to 1933 in the Art-Deco style, and it is in size. The building, built several decades before the expressway that passes through it, was originally designed to accommodate a roadway—requiring only minimal work to remove walls in the base for the freeway to pass through. In spite of its unused state, the building is still known to visitors and commuters alike as the unofficial gateway into the Loop area. In late August 2009, the USPS announced an auction was to be held to sell the facility to the highest bidder. The winning bid ($40 million [equivalent to $ in ]) was from an English real-estate developer, Bill Davies. Exit list References External links Kurumi's 3di page — I-290 Illinois Highway Ends: Interstate 290 Historic, Current & Average Travel Times For The Eisenhower Expressway Official IDOT website 2 (Illinois) Expressways in the Chicago area 90-2 90-2 Illinois Transportation in Cook County, Illinois Transportation in DuPage County, Illinois