Silverdale Highway

The A5 Silverdale Highway is a long stretch of road that runs from Castlebrook to Edgecliff. It has four lanes - two in either direction. The highway starts from Mulgoa Street in Castlebrook and ends with a road in Edgecliff.
== Upgrades ==
* Upgraded entrance roads for fluent merging and exiting
== Exits ==
* Exit 1 - For Silverdale
* Exit 2 - For Silverdale and Pinemeadow
* Exit 3 - For Ordon Village and Castlebrook Heights
* Exit 4 - For the Macarthur Highlands region (including McArthur, Campbell Downs etc.) and also Strathfield.
* Exit 5 - For Oldale Village
* Exit 6 - For Lavaside and Treetop
* Exit 7 - For Arenaville Road, including the City and Notchropolis University
== Bus Routes ==
CastleBus runs five bus routes via Silverdale Highway.
* 746: Castlebrook Airport to Silverdale via Ordon Village
* 747: Castlebrook Airport to Arenaville Airport via Treetop and Oldale Village
* 753: Silverdale to Arenaville Airport via Oldale Town and Edgecliff
* 754: Silverdale to Arenaville Airport via Edgecliff
* 755: Silverdale to Castlebrook Heights via Treetop
* 756: Silverdale to Campbell via McArthur