Month
Year
St Nicholas Avenue
Presented by New York City Department of Transportation, Transportation Planning & Management
September 10, 2015 to Manhattan CB 12 Traffic and Transportation Committee
Safety Improvements and Bicycle Lanes 2015
2
• Vision Zero calls for an expanded bicycle network in
Manhattan that improves safety for all road users
• CB 12 requested a network of bike routes in 2012
• CB 12 approved Phase 1 bike routes and DOT began
implementation in 2014
St Nicholas Avenue Corridor Project Background
Project Route
Approved, Installation Pending
Existing On-Street Bicycle Facility
Protected Bicycle Path
Legend
St Nicholas Avenue Corridor Project Map
3 3
4
St Nicholas Avenue Existing Conditions
St Nicholas Ave @ W 171 St
Looking north
• 60’ wide corridors with long crossings
• No dedicated space for cyclists
• Moderate traffic volumes can be
accommodated in a single lane
• Shared through/ left turn lane causes
unpredictable maneuvers
• Poor signal timing
5
St Nicholas Ave Crash History (2009-2013)
• High Crash Corridor with 20 people killed or severely injured
(KSI) per mile, ranking in the top third of Manhattan corridors
Total Injuries
W 1
93
rd St
W 1
78
th St
W 1
77
th St
W 1
87
th St
W 1
85
th St
W 1
69
th St
W 1
71
st St
W 1
70
th St
W 1
72
nd St
W 1
73
rd St
W 1
74
th St
W 1
76
th St
W 1
75
th St
W 1
92
nd St
W 1
91
st St
W 1
90
th St
W 1
89
th St
W 1
88
th St
W 1
86
th St
W 1
84
th St
W 1
83
rd St
W 1
82
nd St
W 1
80
th St
W 1
79
th St
45 34 30 20 18 21 12 10 4 9 9 7 12 8 16 10 12 13 8 10 16 13 10 2 14
W 1
81
st St
Intersection in the top 10% KSI of Manhattan intersections
# of KSI
KSI = Killed/ Severely Injured
2 2 3 2 3
St Nicholas Ave Crash History (2009-2013)
Left turns and rear-end
collisions comprise
39% of motor vehicle
crashes on the corridor.
6
7
St Nicholas Ave High Pedestrian Volumes
178th Street
984 NB pedestrians
746 SB pedestrians
560 NB vehicles
386 SB vehicles
185th Street
567 NB pedestrians
494 SB pedestrians
423 NB vehicles
445 SB vehicles
Peak hour volumes from counts conducted 5/20/15, 6/17/13 – 6/23/13 and 10/19/13-10/25/13
8
St Nicholas Avenue Proposed Configuration (Cross Section)
9
St Nicholas Avenue Proposed Configuration (Sample Block)
St Nicholas Ave
10
St Nicholas Avenue Proposed Design
Proposed Configuration:
E 222nd St, Bronx
• Bicycle lane provides dedicated
space for cyclists
• Remove one lane in each
direction
• Add left turn lanes maintain
capacity at intersections
• No parking loss
Safety Results from Similar Treatments 4 lane to 3 lane Traffic Calming
PROJECT
CRASHES
WITH
INJURIES
(% CHANGE)
West 6th Street, BK -24%
Empire Boulevard, BK -15%
Allerton Avenue, BX -28%
Gerritsen Avenue, BK -40%
Southern Boulevard, BK -20%
Randall Avenue, BX -22%
Macombs Road, BX -44%
Allerton Ave
Empire Blvd
Reducing the number of travel lanes
and installing bike lanes improves
safety for all street users
11
12
St Nicholas Avenue Parking Regulations
To address double parking,
DOT will work with
businesses to identify
possible locations for
commercial loading zones
13
St Nicholas Avenue Pedestrian Island Opportunities
Vanderbilt Ave, Brooklyn
Concrete pedestrian safety
islands can be located in painted
medians pending approval
14
St Nicholas Ave @ W 190th St
Looking south
DOT contractor is producing study
to optimize signal progression.
Benefits will include:
• Decreased travel times
• Reduced congestion
St Nicholas Avenue Signal Timing
• Enhances safety for all street users
• Expands the bicycle network by creating new bicycle connections
• Improves safety at left-turn intersections
• Reduces opportunities for speeding and reckless driving
St Nicholas Avenue Corridor Project Summary
15
Questions? Thank
You
nyc.gov/dot Thank
You
16