- No direct vehicular site access is permitted to Camden Valley Way or the Camden Bypass. Direct vehicular site access to proposed four (4) lane sub-arterial roads will be considered to neighbourhood centres in exceptional circumstances only, such as for large scale developments and/or the servicing of multiple developments. Direct vehicular site access to two (2) lane sub-arterial roads will be determined on merit having regard to traffic volumes, traffic speeds and the location of cycleways.