Original sentence: In 2000, the British-style roundabout junction with Erin Mills Parkway (originally Southdown Road), which dated back to the early 1960s, was completely reconstructed as a standard parclo A4 interchange.In 2004-2005, the Guelph Line interchange was converted to a standard Parclo A4 configuration.The nearby Hurontario Street interchange is currently (2009) being converted from a cloverleaf to a parclo
Edited sentence: In 2000, the grade-separated traffic circle junction with Erin Mills Parkway and Southdown Road, which dated back to the early 1960s, was completely reconstructed as a standard parclo A4 interchange.In 2004-2005, the Guelph Line interchange was converted to a standard Parclo A4 configuration.The nearby Hurontario Street interchange is currently (2009) being converted from a cloverleaf to a parclo A4 on the south side and a diamond on the north side