Transcript Road Diet (Roadway Reconfiguration) Every Day Counts 3 Innovative Safety Initiative Efficiency through technology and collaboration.

Road Diet
(Roadway Reconfiguration)
Every Day Counts 3
Innovative Safety Initiative
Efficiency through technology and collaboration
Presentation Agenda
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•
•
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Overview of Road Diets
New York City Example
Washington DC Example
Tampa FL Example
Resources and Questions
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Safety – A Central Goal for USDOT
“Safety is our highest priority
and that commitment is the
same regardless of which
form of transportation
people choose, including
walking and biking.”
Secretary Anthony Foxx
ProWalk ProBike ProPlace
Conference
September 10, 2014
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What is a Road Diet?
4 Through Lanes
2 Through Lanes
TWLTL and Bike Lanes
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What is a Road Diet?
4 Through Lanes
2 Through Lanes
TWLTL and Bike Lanes
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Other Roadway Reconfigurations
4-Lane to 5-Lane
2-Lane to 3-Lane
3-Lane to 3-Lane
5-Lane to 3-Lane
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Determining Road Diet Purpose/Feasibility
• Improve safety
• Reduce speeds and speed
variance
• Mitigate left turn/through traffic
conflicts
• Improve bicyclist accessibility
• Improve walkability
• Enhance transit service
• Fit the community context
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Determining Road Diet Purpose/Feasibility
Other Factors (Challenges/Obstacles)
• Funding Formulas
• Public and Business Concerns
• Parallel roadways
• Parking
• Truck Traffic
• Transit Vehicles
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Why Consider a Road Diet? -- Case Studies
• New York City – Advantages & Disadvantages
• District of Columbia – East Street
• Tampa, FL – Nebraska Avenue
Enhanced
SAFETY for
ALL ROAD
USERS
LOW COST
and LOW
IMPACT
Improved
MOBILITY and
ACCESS for
all modes
“COMPLETE
STREETS”
characteristics
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New York City Road Diets
Pedestrian and
Bicyclist Benefits
Improved
MOBILITY and
ACCESS for
all modes
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Road Diet Advantages -- NYC
•Improved safety and mobility for cyclists
and pedestrians
•Reduction in fastest speeds
•Crash reduction
Road Diet Disadvantages -- NYC
•Increased travel delay
•Increased delay on side streets
•Loss of passing opportunities
District of Columbia Road Diets
Livabililty and Complete Streets
“COMPLETE
STREETS”
characteristics
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Goals for DC Road Diets so far
• Create space for bike lanes
• Improve ‘livability’
• Increase pedestrian safety
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Build it and they will come
DC Travel to Work by Bicycle
& Bike Lane Development
70
5.00%
4.54%
4.50%
4.10%
60
4.00%
50
3.13%
3.30%
3.50%
3.00%
40
2.33%
2.00%
30
2.17%
1.68%
44.7
1.16%
20
0.75%
50.3
51.3
55.8
60
2.50%
2.00%
1.50%
38.5
24.7
10
66
30.1
1.00%
0.50%
2.7
2.7
1990
2000
0
0.00%
2006
2007
2008
2009
2010
Year
Miles of Bike Lanes
Bike to Work Modesare
2011
2012
2013
2014
E Street NW Road Diet
Before
After
E Street, NW. Turn Lanes.
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18
E Street
Peak Hour Cyclists Before: 11
Peak Hour Cyclists After:
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60
50
40
Before
After
30
20
10
0
Total Crashes
Ped Crashes
Bike Crashes
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15th Street Protected Bike Lane (cycletrack)
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15th St. Before
• 4 lanes 1-way North
• North half
residential, south
half CBD
• Parking both sides
• Concerns of safety,
traffic speeds
– Posted speed 25
– 85th Percentile
between 36-45
mph
• Excess capacity
– 6,000 to 12,000
ADT
15th St. After
• Remove 1 NB auto
lane in north half
• Initially, SB
contraflow cycle
track behind fulltime parking lane,
with NB sharrows
• Later, converted to
2-way cycle track
on west curb and
extended south to
CBD
• LOS drop of one
letter grade at
most intersections
15th Street--Increase in cyclists
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15th Street NW--LOS and Speed
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15th Street NW--Bike Crashes
12
10
8
Before
After
Adjusted
6
4
2
0
E to NY
H to Mass
N to U
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15th Street--Bicycle Volume and Crashes
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Sherman Ave Rehabilitation
Sherman Ave. NW Road Diet, 2013
• Median
• Wider sidewalks
• Trees
• Sharrows
After:
•85th% Speeds:
•before: 35mph
•after:
28mph
•Too early for crash data
Tampa, FL Road Diet – Nebraska Avenue
NEBRASKA AVE
DOWNTOWN TAMPA
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Tampa, FL Road Diet – Nebraska Avenue
• 3.15 miles
• Before: 4-lane
undivided urban arterial
• Construction 2007-2008
•$11.1 million
•After: 2-lane arterial
–Two way left turn lane
–Painted medians
–Bus pull outs
–Bike lanes
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Tampa, FL Road Diet – Nebraska Avenue
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Nebraska Avenue – Before/After Crash Comparison
• Before (2004 – 2006)
–17,900 ADT
–174 crashes per year
–13 fatal/incapacitating crashes per year
–7 pedestrian crashes per year
•After (2009-2013)
–15,000 ADT
–71 crashes per year
–6 fatal/incapacitating crashes per year
–<3 pedestrian crashes per year
•59% reduction in crashes, 51% reduction in crashes
per MVMT
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Nebraska Avenue – Before/After Crash Comparison
Before (January 2004 After (January 2009
thru December 2006) thru December 2013)
Crash Type
Total
Crashes/
Year
Total
Crashes/
Year
Total Crashes
523
174.33
355
71.00
Fatal/Incapacitating Injury Crashes
38
12.67
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Pedestrian Crashes
21
7.00
Bicycle Crashes
15
Sideswipe Crashes
Before (January 2004 thru December 2006)
%
Reduction
After (January 2009 thru December 2013)
% Reduction
AADT
Length
Yearly
MVMT
Crashes/
MVMT
AADT
Length
Yearly
MVMT
Crashes/
MVMT
59%
17900
3.15
20.58
8.47
15030
3.15
17.28
4.11
51%
6.20
51%
17900
3.15
20.58
0.62
15030
3.15
17.28
0.36
42%
13
2.60
63%
5.00
28
5.60
-12%
47
15.67
18
3.60
77%
17900
3.15
20.58
0.76
15030
3.15
17.28
0.21
73%
Angle & Left Turn Crashes
215
71.67
147
29.40
59%
17900
3.15
20.58
3.48
15030
3.15
17.28
1.70
51%
Head-On Crashes
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4.67
13
2.60
44%
17900
3.15
20.58
0.23
15030
3.15
17.28
0.15
34%
Rear-End Crashes
73
24.33
103
20.60
15%
17900
3.15
20.58
1.18
15030
3.15
17.28
1.19
-1%
Pedestrian and Bike Crashes are not reported on a per MVMT basis.
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Tampa, FL Road Diet – Nebraska Avenue
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Tampa, FL Road Diet – Nebraska Avenue
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Tampa, FL Road Diet – Nebraska Avenue
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Tampa, FL Road Diet – Nebraska Avenue
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Nebraska Avenue – Summary Results
•Reduction in crashes per year
•Improved pedestrian safety
•Reduction in key crash types
–Sideswipe
–Left Turn/Angle
–Head on
•Crash Rate is less than the statewide average for 2-lane divided
roadways (Previously 50% higher than the 4-lane undivided
average).
•Favorably compares to the FHWA estimated reduction of 29%53% (Desktop Reference for Crash Reduction Factors)
•59% reduction in crashes, 51% reduction in crashes per
MVMT
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Resources
• FHWA Road Diet
Informational Guide –
Coming Soon!
• FHWA Road Diet Case
Studies – Coming
Soon!
• EDC 3 Initiatives:
Road Diet Fact Sheet
• FDOT Road Diet Policy
– Coming Soon!
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Questions
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For Additional Information:
Becky Crowe
FHWA Office of Safety
(804) 775-3381
Cell: (804) 517-5598
[email protected]
Peter Hsu, P.E.
FDOT District Safety Engineer
Office: (813) 975-6251
[email protected]
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