This document outlines design concepts and considerations for greening Lower Grand Avenue in Phoenix, Arizona. It discusses using pervious and impervious surfaces, as well as design elements like gateways, hubs, links, and outdoor rooms. Before and after illustrations show how rain gardens, bike lanes, narrowed lanes, and other features could transform intersections, mid-block crossings, and other areas. The document also describes partnerships between the City of Phoenix and local groups for maintenance and implementing changes through a single coordinated event.

1. PHOENIX ARIZONA

3. Design Considerations

4. Pervious Surface
Paved Surface
Building Roofs
Street
PERVIOUS
AND
IMPERVIOUS
SURFACES
GREENING LOWER GRAND AVENUE

5. CLIMATE
GREENING LOWER GRAND AVENUE

6. CLIMATE
GREENING LOWER GRAND AVENUE

7. STORMWATER
GREENING LOWER GRAND AVENUE

8. ON-STREET PARKING
GREENING LOWER GRAND AVENUE

9. FINAL DESIGN CONCEPTS

10. +
Complete
Streets
Road Diet
GREENING LOWER GRAND
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ROADWAY
CONCEPTS

11. Design Elements
• Gateways (portals to Lower Grand
Avenue)
• Hubs (activity centers or key
intersections)
• Links (block frontage connecting hubs
and gateways)
• Rooms (privately maintained and
designed publicly owned ROW that
includes the sidewalk, landscape area,
linear rain garden area and curbside rain
garden. During special events a room may
include the parking area).
• Shared maintenance and design
responsibilities for the public realm
(ROW).

12. GREENING LOWER GRAND
AVENUE
HUB
1. Curb Bulb outs
2. Rain Gardens
3. Artist-inspired crosswalks
4. Bus Stops
5. Light STrings
1
2
3
4
5

13. GREENING LOWER GRAND AVENUE
15TH AVE/ROOSEVELT HUB - Before

14. GREENING LOWER GRAND
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15TH AVE/ROOSEVELT HUB-AFTER

15. GREENING LOWER GRAND AVENUE
LINK
Public Art Light Strings
Mid-block
Crossing Garden Room
Decorative
pavers/way
finding
Native
flowering
plants
Bio swale Curb cuts for
rain gardens

16. GREENING LOWER GRAND AVENUE
OUTDOOR ROOM - BEFORE

17. GREENING LOWER GRAND AVENUE
OUTDOOR ROOM - AFTER

18. GREENING LOWER GRAND
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LINK

19. GREENING LOWER GRAND AVENUE
MID-BLOCK CROSSINGS - BEFORE

20. GREENING LOWER GRAND AVENUE
MID-BLOCK CROSSINGS - AFTER

21. GATEWAY- BEFORE
GREENING LOWER GRAND
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1

22. GREENING LOWER GRAND
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GATEWAY - AFTER
1
2
3
4
5
6 7
1. Wayfinding
2. Rain Gardens In
Curb Bulb Out
3. Linear Rain Gardens
(Bioswales)
4. Bike Lane
5. Enhanced Crosswalk
6. 5 to 3 Lanes
7. Light Strings

23. GATEWAY - AFTER
GREENING LOWER GRAND
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1

24. GATEWAY - AFTER
GREENING LOWER GRAND
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1
3
1. Wayfinding
2. Rain gardens In
curb bulb out
3. Linear rain gardens
(bioswales)
4. Bike lane
5. Enhanced crosswalk
6. 5 to 3 lanes
7. Light strings
1
2
3
4
5
6
7

25. CITY OF PHOENIX
• Stripe for bike lanes and parking.
• Interdepartmental team.
• Rain gardens.
• Repurpose outside lanes.
GAMA
• Decorative fencing.
• Paint.
PARTNERSHIP
• Landscape maintenance.
• Organize a single event to accomplish a physical change.
GREENING LOWER GRAND AVENUE
POLICY AND PROGRAMS

26. GREENING LOWER GRAND
AVENUE