TUCSON ADAPTIVE STREETS Designing for Mobility, Water and Community
Tucson Adaptive Streets is a master plan proposal that incorporates green infrastructure, PROP 407 and cultivating a sense of place. The street network of Camino Miramonte is designed to capture, Ǜlter, and help reduce stormwater ǜooding through green infrastructure practices. Along with these measures, PROP 407’s bicycle boulevard provides safe passage for cyclists through the heart of central Tucson, connecting the Rillito River Path to the Aviation Bikeway. These enhancements will cultivate a unique identity for Miramonte and El Encanto Neighborhoods.
Coordinator Courtney Crosson, Assistant Professor, University of Arizona
Sponsor and Collaborators Diana Alarcon, Ryan Fagan, Patrick Hartley, Jesse Soto, Jennifer Toothaker Tucson Department of Transportation
Student Designers Mary Henderson The University of Arizona, 4th Year B.Arch Student Hannah McCormick The University of Arizona, 4th Year B.Arch Student
Consultant Jacob Prietto and Yinan Zhang Pima County Flood Control
Collaborators Miramonte Neighborhood Association El Encanto Neighborhood Association
Flood Zones 2000 - 5000 CFS 1000 - 2000 CFS 500 - 1000 CFS < 500 CFS
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5th St Drainage
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Property Runoff
Commerical Runoff
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Context Mapping
1
2
A. Benedictine Monastery
3
B
Node
Node A
4
C
Bike Lane
5
Bike Route Bike Boulevard Setback
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Site Observations Data Gathered on 2/3/2020
speed limit 25
26 24 22 20 18 16 14 12
speeding
78 Cyclist 6-8 AM Counts 24 Speeding Cars 81 Cars 4-6 PM Counts 107 Speeding Cars 149 Cars
10 8 6 4 2
# of cars
57%
23 Pedestrian
0
10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 mph
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M IRA M O NT
E
“Neighbors need to make a commitment to harvest/retain signiǩcant port of rainwater on site”
CA M IN O
“Mixture of cars, pedestrians and cyclist creates an increased safety hazard and risk ko energy”
El Encanto
CC AA MM IN IN OO MM IR I AMRA OMO NN T ET E
“Miramonte is a narrow street with visibility issues”
S PEEDWAY SPEEDWAY Miramonte
6,7( $1$/<6,6
Stakeholders Stakeholders
a o a tion n-
“Miramonte is a narrow street with visibility issues”
Existing Flooding Examples
f “Provide adequate paved area for bikes and walkers”
“Bike route will provide safer means of ingress and egress for cyclist and pedestrians” Student Lead Facebook Group
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Vegetation
a. agave
Breakout Spaces
b. cactus
c. red yucca
a. single bench
d. mesquite
WayǛnding
b. picnic bench
Vertical Markers
a. wayǛnding signs
b. neighborhood signs
a. bollard b. bumblebee
c. shade structure
Materials
a. grid stabilizer
Green Infrastructure + TrafǛc Calming b. corten steel
a. median basin
b. trafǛc circle basin
c. concrete
Green Infrastructure - Basins d. permeable pavers
a. basin
KIT OF PARTS
b. roadside basin
b. bumpout basin
d. speed table
Cu Reduce Volume of Stormwater Runoff and Improve Stormwater Quality
1 3 2 GOALS
ultivate a Sense of Place
3 2 Increase Cyclist and Pedestrian Safety
1 2 3
Green Infrastructure Basin Median Basin TrafǛc Circle Basin Roadside Basin Bumpout Basin
Vegetation Ground Materials Breakout Spaces WayǛnding Materials
SLOW Vertical Markers Ground Materials Speed Table Permeable Pavers TrafǛc Calming
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A
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10'
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car lane
basin
social space
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SPEEDWAY
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6,7( 3/$1
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Top of Watershed
Reduction .71%
Total Green Infrastructure 17,045 sf
Discharge 9.82 CFS
T ra f
fi c C irc le
Pr
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t
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dia n B a s in
ST + Residential Runoff
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Green Infrastructure Hydrology Impact
Vi
a ds ide B a s in
isualizing The Retention
roposed Green Infrastructure Retains 1, 917, 377 Gallons of Water
oughly Equivalent to 3 Olympic Size Lap Pools
1 Olympic Size Lap Pool Contains 660,000 Gallons of Water
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Legend Cross Section
Depth Difference (FT) < -0.5 -0.49 - -0.2 -0.19 - -0.1 -0.09 - -0.05 -0.049 - 0.05 0.051 - 0.1 0.11 - 0.2 0.21 - 0.5 > 0.5
Pre XS Maximum Discharge Total Volume of Discharge Floodplain Storage Floodplain Outflow Hydrograph
88.16 9.89 5.875
20.629
Post %Change 85.31 3.23% 9.82 0.71% 6.044 -2.88%
20.462
0.81%
Esri, HERE, Garmin, (c) OpenStreetMap contributors, and the GIS user community
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0
250 500
Hydrology Testing
1,000 Feet
Study Area #4
2
Basin Depth 1 ft Total GI Area 17045 sf
Pre Floodplain Storage (ft3) The Maximum Inundated Area(Depth > 0.5 FT) (sf)
Post Post Minus Pre 255915 267414.84 11499.84 323520.12 328137.48 4617.36
Legend Depth Difference (FT) < -0.5 -0.49 - -0.2 -0.19 - -0.1 -0.09 - -0.05 -0.049 - 0.05 0.051 - 0.1 0.11 - 0.2 0.21 - 0.5 > 0.5 Esri, HERE, Garmin, (c) OpenStreetMap contributors, and the GIS user community
¯
0
250 500
1,000 Feet
Study Area #4 ƎƎĚŠēĿNJ