The `` Golden Triangle '' was originally a three square-mile district on the eastern side of Framingham , bordered by Route 9 , Route 30 , and Speen Street in Natick . The Golden Triangle was originally a three square mile district on the eastern side of Framingham , bordered by Worcester Rd . ( Route 9 ) , Cochituate Rd . ( Route 30 ) , and Speen Street in Natick .