community board 2 reconstruction of 9 avenue / geometric

Reconstruction of

9TH AVENUE /Community Board 2

Traffic and Transportation Committee 9 AVENUE /GANSEVOORT AREABorough of Manhattan

Project: HWMP2020

Traffic and Transportation Committee

Geometric Review

jPIN: 8502011HW0029September 11, 2012

Historic DistrictsGansevoort Market Historic DistrictGreenwich Village Historic District

1815

West Side Elevated Railway, ca 1869

West Side Elevated Railway, ca 1869

1933

1940

Conceptual Design

AnalyzeConditions

Collect Data/Field

Observations

Project Objectives

Community Outreach

Traffic Study Program

Conceptual Design

AnalyzeConditions

Collect Data/Field

Observations

Project Objectives

Community Outreach

Traffic Study Program

Traffic Study Area

Conceptual Design

AnalyzeConditions

Collect Data/Field

Observations

Project Objectives

Community Outreach

Traffic Study Program

Total Vehicle Crashes - April 2008 to December 2010

Traffic Pedestrian Crashes - April 2008 to December 2010

Daytime DOT Time Lapse Nighttime DOT Time Lapse

Time Lapse Video from Gansevoort Street

Conceptual Design

AnalyzeConditions

Collect Data/Field

Observations

Project Objectives

Community Outreach

Traffic Study Program

Analyze ConditionsAnalyze Conditions• Analyze Existing Conditions

Analyze ConditionsAnalyze Conditionsy g

– Traffic Operations (Weekday AM, Weekday PM, Friday Overnight, Saturday Midday)

– Vehicle Crashes and Pedestrian CrashesVehicle Crashes and Pedestrian Crashes

• No Build Conditions (2015, 2035)– Apply Growth Factor– Incorporate Future Developments

• St. Vincent’s Campus Redevelopment • Whitney Museum • Hudson Yards

• Build Conditions (2015, 2035)– Ongoing Analysisg g y

Level of Level of ServiceService

The Average control delay per vehicle is estimated for each g y plane group and aggregated for each approach and for the intersection as a whole. LOS is directly related to the control delay valuecontrol delay value.

LOS CRITERIA FOR SIGNALIZED INTERSECTIONSLOS Control Delay per Vehicle (s/veh)

A ≤ 10B > 10-20C > 20-35D > 35-55E > 55 80E > 55-80F > 80

Phase A – Southbound Traffic

Existing Signal Operations

Phase B – Northbound Traffic

Existing Signal Operations

Phase C – Eastbound/Westbound Traffic

Existing Signal Operations

Southbound/ Northbound Traffic Eastbound/Westbound TrafficSouthbound/ Northbound Traffic Eastbound/Westbound Traffic A-CDE

Existing Signal Operations – Weekday PM Peak

EF

Southbound/ Northbound Traffic Eastbound/Westbound TrafficSouthbound/ Northbound Traffic Eastbound/Westbound Traffic A-CDE

Existing Signal Operations – Friday PM Peak

EF

Southbound/ Northbound Traffic Eastbound/Westbound TrafficSouthbound/ Northbound Traffic Eastbound/Westbound Traffic A-CDE

2015 – Weekday PM Peak

EF

Southbound/ Northbound Traffic Eastbound/Westbound TrafficSouthbound/ Northbound Traffic Eastbound/Westbound Traffic A-CDE

2015 – Friday PM Peak

EF

Southbound/ Northbound Traffic Eastbound/Westbound TrafficSouthbound/ Northbound Traffic Eastbound/Westbound Traffic A-CDE

2035 – Weekday PM Peak

EF

Southbound/ Northbound Traffic Eastbound/Westbound TrafficSouthbound/ Northbound Traffic Eastbound/Westbound Traffic A-CDE

2035 – Friday PM Peak

EF

Southbound/ Northbound Traffic Eastbound/Westbound TrafficSouthbound/ Northbound Traffic Eastbound/Westbound Traffic A-CDE

2035 – Saturday Midday Peak

EF

Conceptual Design

AnalyzeConditions

Collect Data/Field

Observations

Project Objectives

Community Outreach

Traffic Study Program

Current Temporary Plan West Asymmetrical PlanSymmetrical Plan East Asymmetrical Plan

Preferred Design Option

Combined SewerWater

East Asymmetrical PlanUtilities

Option 2

Street Gardens• garden trees

Option 2

Street Gardens• garden trees

Option 2

Street Gardens• garden trees