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 Stephen Curgenven by e-mail or on (08) 9323 4415.
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 herein displayed.
1.4 POLICIES - DEPARTMENT OF TRANSPORT AND BIKEWEST
Where there are existing pedestrian or cycling facilities, the contractor shall provide temporary facilities (at slow speed as necessary) to enable pathway users to traverse the site. Plastic mesh fencing shall be used to keep pedestrians and cyclists from straying into work areas. Temporary pathways through the worksite shall be lit or otherwise delineated for use at night.
Temporary safety barriers should be utilised where necessary to protect pathway users from hazards like bridge piers or deep excavations. Only in exceptional circumstances, where it would be too dangerous to allow pedestrians or cyclists to traverse a worksite, shall access be denied. In such cases alternative routes shall be nominated by clear on-site signage.
Care shall be taken that the location of signs does not impair cyclist, wheelchair or pram accessibility.
In Metropolitan areas, left turn lanes are normally aligned to be "high entry" (70 degrees) with minimum island length of 11.6 m and minimum width of 6 m. (Standard Drawing 8820-0123-4 shows an example of use). To facilitate pedestrian movements, ramps are constructed at kerb crossings. However, these can be awkward for people using wheelchairs where the provision of ramps on opposite sides of the island result in a "level" area less than 1.5 m wide. Therefore, where the available island width at the proposed point of crossing is less than 4.5 m kerb-to-kerb, a cut-through solution is required in preference to the "ramp-over" treatment.
At all signalised intersections, symbolic pedestrian displays and audible tactile facilities are to be provided. (Refer to the Main Roads Policy on Pedestrian Crossing Facilities at Signalised Intersections ). The location of pedestrian activated push buttons is of critical concern to people with disabilities. The push-button facility shall be within 300 mm of the designated pathway - whether the pathway is across or through the island treatment. Where necessary this will require slight modification to "normal" signal pole location. The push-button tactile indicators shall be mounted on the inside of the pole immediately adjacent to the pathway or kerb ramp.
Pedestrian grabrails tend to clutter the limited available space on traffic islands and are therefore not recommended.
Rather than apply such facilities everywhere, it is appropriate to implement tactile devices at selected intersections on the basis of need. These will normally be limited to kerb ramps at (very) frequently used intersection or mid-block crossings in Metropolitan areas. In rural centres tactile paving is less commonly applied and the need to include in a specific project should be confirmed in consultation with the local council.
Main Roads Standard Drawing 200931-0089 details set out dimensions to be used for warning surface indicators on pedestrian ramps. Standard Drawings 200931-0090 and 200931-0091 show the particular layout requirements where used within median cut throughs and verge corner cut throughs respectively. Designers should also refer to AS 1428.4 Appendix C for details of numerous configurations of warning surface indicators used in conjunction with directional surface indicators.
Where on-road, parallel parking is to be provided, the setback shall be into the verge (rather than encroaching on the traffic lanes) to create the required 3.2 m width without placing the user at risk from the adjacent traffic flow.
Drawing 9831-5649 provides a mandatory requirement for grabrails on medians and median islands that exceed 1.2 m in width. It is not appropriate to include grabrails on splitter or other islands at intersections, nor on painted island treatments.
Note that grabrails are to be located on the traffic approach side of the kerb crossover and not in the middle of the ramp where it will impede wheelchair accessibility.
Kerb cross-overs shall be flush with the road surface (asphalt or seal) as shown on Drawing 9831-5649. Care should be taken to ensure that there is provision of a (min) 1.5 m level section of pathway behind the ramp. Where possible, the kerb ramp shall be aligned to reflect the direction of travel required by the user when commencing to cross the street. Refer also to the requirements for tactile paving above.