Brett Maynard

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AITPM presentation

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  • 1. Shared Spaces for Healthy and Active Places Can they work in Canberra? AITPM 2014 National Conference Presented by : Peter Strang Director GTA Consultants Peter.Strang@gta.com.au 1

2. Shared Spaces for Healthy and Active Places Can they work in Canberra? Co-Authors Peter Strang, CTA Consultants Brett Maynard, GTA Consultants Brigette Humphrey-Robinson, GTA Consultants Ben McHugh, Roads ACT 2 3. Canberra as a Healthy and Active City High cycling participation 22% ride during a typical week 40% work less than 10km from home Canberrans walk an average of 26min per day Transport for Canberra: Transport for a Sustainable City 2012-2031 3 4. Bunda Street Case Study 4 Bunda Street Pedestrian Activity Cyclist Activity On-street Parking Loading Zones Through Traffic Retail Precinct Commercial Uses Bunda Street forms a key link within the Civic Cycle Loop 5. Bunda Street Vision 5 Cater for all Cycling Abilities Safe and Convenient Increased Pedestrian Activity Day to Night Transition Destination for all Users Pop-up Activities and Entertainment 6. Design Methodology Road User Hierarchy Street Function Design Vehicle Circulation Local Area Traffic Management (Speed) Parking Provision Safety Intersection Treatments Design Decisions Road User Hierarchy Network Context Road User Interactions and Conflicts User Movements Quality of Infrastructure Parking Requirements Servicing Requirements Existing Considerations Australian Legislation State Guidelines ACT Context Austroads Guide to Traffic Management Other Precedents International Design Background Review 6 7. Australian Shared Zone Shared Space No legal definition Interaction of all users with minimal guidance Australian Road Rules (ARR): Definition - installation of Shared Zone signage Does not specify speed limit Pedestrians have legal priority Adopted in the ACT Road Rules 7 8. Other State Guides Speed Zones Typically 10km/h 20km/h examples implemented in ACT and QLD Traffic Volumes Significant variation Design Typically remove kerbs (single surface level) Kerbs can be maintained in Brownfield sites or existing streets (NSW) State Max Vehicles per Hour Max Vehicles per Day NSW 100 1,000 VIC 200 1,000 WA - 300 8 9. Austroads Guidance Shared Zones: Reduce vehicle speeds Reduce traffic volumes Increase pedestrian and cyclist safety Improve amenity with no impact to access 9 Consistent with the Bunda Street Vision 10. Australian Shared Zone Angel Place, Sydney, NSW Childers Street, City West, ACT Hunter Street Mall, Newcastle, NSW Hargreaves Street and Bull Street, Bendigo, VIC One Size Fits All is not necessarily appropriate for Shared Zones 10 11. 85% vehicle speed is 30-40km/h Approximately 500vph expected to reduce Pedestrian volumes are 3X vehicle volumes Lane width = 3.5-4.0m reduced in design Undesirable through route Pedestrian pinch points Bunda Street Context Bunda Street meets most (known) criteria for Shared Zone 11 12. Key Design Considerations and Challenges Speed limit safe, practical Retro-fitting the Woonerf Principle Parking and loading requirement of small business Funding limitations staged approach Intersection/ entry treatments clear visual cues 12 Akuna Street Mort Street 13. Welcoming for pedestrians & cyclists of all levels 10km/h not well received by stakeholders 20 km/h potentially reduced to 10km/h in the future Self enforcing speed limit for compliance Reduced fatality rate Speed Limit 13 14. Horizontal and vertical deflection Removal of line marking Strategic tree planting Urban design features Reduced lane widths Paved materials Kerb build outs Retro-Fitting the Woonerf Principle Constrained Reasonably ambiguous Limited delineation 14 Competing Priorities 15. Reduced parking spaces Parallel parking safer than angled for Bunda Street Relocation to improve sight lines Alternate Sides Short-term increase efficiency Consolidated loading Parking 15 16. Intersection Treatments Bike Box Raised Threshold Reduced Width Planting Restricts Peds 16 Interaction Between Shared Zone and Traffic Signals 17. Stage One Intersections and desire lines Consider high priority areas Raised pavement areas Horizontal deflection Maintain major traffic control devices Stage Two (Future) Raised pavement along the length of Bunda Street Scramble crossing Remove further traffic control devices Staged Approach 17 18. Additional measures: User education Safety campaign Heavy vehicle access restrictions Future Comparative Measures: Level of traffic control devices Number of pedestrians, vehicles and cyclists Number and type of crashes Number of key pedestrian crossing locations User opinion and retail satisfaction Implementation and Evaluation 18 19. Thank you! Any Questions? Peter.Strang@gta.com.au 19