southtown traffic study

8/9/2019 Southtown Traffic Study

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Traffic Circulation Examination and Recommendations

Roosevelt IslandRoosevelt Island

TramwayTramway

ModernizationModernization

ProjectProject

Primary ConcernsPrimary Concerns

Pedestrian SafetyPedestrian Safety

Traffic CongestionTraffic Congestion

SignageSignage

Secondary ConcernsSecondary Concerns

Commercial Loading ZoneCommercial Loading ZoneOnOn--street Parkingstreet Parking


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Station Area Recommendations

Re-stripe and sign West Drive for one-way, clockwise operation for all

vehicles.

Create bus turn-out for 2 buses along station frontage.

Dedicate area along the west side of West Drive to commercial loading

zone.

Eliminate southern crosswalk.


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Field Modification Notes

1.Remove existing "NO U-TURN" sign.

2.Remove existing "STOP" sign assembly.

3.Install new ground mounted "LOADING ZONE" sign and post.4.Install new ground mounted "BUS STOP" sign and post.

5.Install new "STOP" sign and post.


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Station Area Comparison

Current Pattern Proposed Pattern

8 conflict points (2 crosswalks w/ 2 directions) 2 conflict points (1 crosswalk w/ 1 direction)

Two-way traffic One-way trafficFar side drop off/ pick up Near side drop off/ pick up

No loading zone Dedicated loading zone

200' walk distance from turn out to station (approx. 60 seconds) 320' walk distance from Main Street stop to station (approx. 91 seconds)

Does not allow legal passing of stopped vehicles Eliminates bus blockage and hazardous passing maneuvers

High congestion potential Low congestion potential

No on-street parking Allows 29 additional on site parking spaces

Reduces roadway curvature

Allows station frontage dedicated bus stop for 2 buses simultaneously

Complies with approved Riverwalk plans for restoration to one-wayoperation


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Main Street @ West Drive Recommendations

Update pavement markings and signage to support new traffic pattern.

Install pavement arrows

Install new signs

Remove non-standard signs


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Field Modification Notes

1.Install sign panel "C" and post.

2.Install sign panels "D' and "A" and

post.3.Install sign panel "D" on existing

post.

4.install sign panel "B" on existing

post.

5.Install sign panels "E" and post.

6.Install sign panel "E" on existing

post.7.Remove existing roundabout symbol

and "ALL TRUCKS" sign panels and

install sign panels "D1" and "J".

8.Install sign panels "K" and "M" and

post.

9.Install sign panel "L" on temporarystand.

10.Install sign panel "I" and new post.


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Main Street @ West Drive Comparison

Current Pattern Proposed Pattern

5 conflict points (3 crosswalks) 4 conflict points (3 crosswalks)

Two-way traffic (except buses and trucks) One-way traffic on West Drive (all vehicles)

U-turns permitted U-turns maintained

Non-standard signs Standardized signs

Improved vehicle guidance with new markings and signs


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Additional Considerations

Effect on travel time and bus headway.

Future location of Tramway stop.

Determine best location

Potential expansion of loading zone.

Kiss and Ride


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QUESTIONS?

southtown traffic study

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