In approving Sydney Into Its Third Century, Planning Minister Bob Carr abolished this guideline: henceforth new areas such as Rouse Hill could be developed far from rail lines, provided space was left for future transport infrastructure.

[6] A decade later, as the region began to grow, Carr had risen to become premier, and sought solutions to the new suburbs' transport problems.

From Castle Hill, the plan said, passengers would change onto a new bus rapid transit system, to be built using the district's hitherto-vacant transport corridors.

This structure, a cable-stayed suspension bridge designed by Italian civil firm Salini Impregilo, is a visual icon for the district.

[11][16] Rouse Hill station is served by a number of bus routes operated by Busways and CDC NSW.