Lower Don Valley Lower Don Valley The Lower Don Valley, or historically the East End of Sheffield, is the mainly industrial north-east quarter of Sheffield, England. Located on the River Don, it encompasses the areas of Attercliffe, Brightside, Darnall, Tinsley and Wincobank. The area became the heart of Sheffield's steel industry during the 19th and 20th century. However it went into decline during the 1970s and 1980s as the nature of steel manufacture changed from large industrial sites with large scale employment to more streamlined and automated manufacture. As a result, large areas were derelict by the end of the 1980s despite the
Don Valley Parkway Bayview Avenue; widening Don Mills Road; and expanding the parkway. Two proposals were put forward for approval: the Leslie Street extension and widening of Don Mills Road. Don Mills Road was widened from four to six lanes with the new lanes to be high occupancy/bus lanes. The Leslie Street extension was approved by East York and North York, but was abandoned by Metro Council in 1993, after the provincial government refused to subsidize its construction. In 1989, a public meeting was held on the future of the Don River, which was widely known for its pollution, and the Don Valley,