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

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• 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

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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

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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

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St Nicholas Avenue Proposed Configuration (Cross Section)

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St Nicholas Avenue Proposed Configuration (Sample Block)

St Nicholas Ave

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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

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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

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Questions? Thank

You

nyc.gov/dot Thank

You

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