In December 1989 the extension of the freeway from Russell Street, west to the Great Western Highway in the vicinity of Governors Drivee would bypass the narrow and winding section of the Great Western Highway, including the historic Knapsack Bridge.
Ab Dezember 1989 umging die Verlängerung des Freeways von der Russell Street nach Westen zum Great Western Highway beim Governors Drive den engen, kurvigen Abschnitt des Great Western Highway einschließlich der historischen Knapsack Bridge.