sentences:  The largest residential and business development took place during the 1970s and 80s following suburban highway development that eased commuting..As Interstate 526 (I-526) was built in the early 1980s and the South Carolina Highway 461 (SC 461 (Glenn McConnell Parkway) was built in the 1990s to accommodate traffic on the historic SC 61 (Ashley River Road) corridor, explosive residential and commercial growth took place in the area.