 However, by the late-1950s, the African-American middle class had begun to leave Indiana Avenue.The Walker Manufacturing Company remained in operation in the Walker Building in 1965, but the majority of the building was shut down, removing a vital economic anchor for the area.By the early-1970s, Indiana Avenue was suffering from severe urban blight, with much of the area's building stock cleared for the development of the Indiana University – Purdue University Indianapolis (IUPUI) campus.