The information below is intended to reflect the preferred practice of Main Roads Western Australia ("Main Roads"). Main Roads reserves the right to update this information at any time without notice. If you have any questions or comments please contact Bruce Snook by e-mail or on (08) 9323 4634.
To the extent permitted by law, Main Roads, its employees, agents, authors and contributors are not liable for any loss resulting from any action taken or reliance made by you on the information below or changes to its preferred practice.
Barriers and Terminals design sheets amended.Terminal QuadGuard Elite removed from list.
Ironman design sheet removed.ArmorGuard Gate design sheet added.BarrierGuard 800 Gate design sheet added.
Flexfence Wire Rope Barrier design sheet amended.W Beam design sheet amended.BarrierGuard 800 Minimum Deflection System added.
* Barrier deemed to comply based on equivalent crash testing or computer simulation.
WORK ZONE BARRIER SYSTEMS
TL 3+ indicates that the system has been tested at a speed higher than the required speed for test level 3. The speed is typically around 112 km/h.
TERMINALS THAT ARE ONLY TO BE USED ON WORK ZONE BARRIER SYSTEMS
The following standard drawings show approved transitions: