May 18, 2017
PROJECT TEAM
• City of Boston• James Gillooly
Deputy Commissioner
• William ConroyProject Manager
• Tetra Tech• Erik Maki, PE, PTOE
Project Manager
• Ian McKinnon, PE, PTOEProject Engineer
2
AGENDA
• GOALS • RECAP: ADJACENT PROJECTS + TRAFFIC VOLUMES• WYNN PROJECT CHANGES - NPC• LOWER MYSTIC REGIONAL WORKING GROUP• TRANSPORTATION ANALYSIS• CONCEPT PLANS• RESILIENCY STUDY• Questions / Comments
3
PROJECT GOALS – 2009 & NOW
Improve pedestrian connections / safety to MBTA Transit Stations and community
Decrease traffic congestion Protect Main Street from cut-through traffic
Create public/open spaceProvide opportunities for appropriate development
Provide bicycle connectionsIncrease on-street parking 4
ADJACENT DEVELOPMENT PROJECTS
• Casino • 46,333 Daily Person Trips• 17,550 Daily Vehicle Trips• 2914 parking spaces
• 5 Middlesex (Somerville)• 1.75M SF Mixed Use• 220 Residential Units• 18,500 Daily Trips• 1000 parking spaces
• Partners Health Care• BHA (One Charlestown)
• 2,200 Residential Units• 14,300 Daily Trips• 1900 parking spaces
5
2017 – DAILY CORRIDOR VOLUMES
6
2017 SULLIVAN SQ DAILY VOLUMES
RutherfordAve
ADT: 16,200
ADT: 11,800
ADT: 8,800 (WB)
ADT: 10,200
ADT: 24,200
ADT: 21,600
ADT: 18,900 (EB)
ADT: 15,400
ADT: 26,900UNDERPASS
Total Entering: ~100,800
Vehicles Per Day
7
SULLIVAN SQ UNDERPASS VOLUMES
0
50
100
150
200
250
300
350
400
450
500
12:0
0 AM
12:3
0 AM
01:0
0 AM
01:3
0 AM
02:0
0 AM
02:3
0 AM
03:0
0 AM
03:3
0 AM
04:0
0 AM
04:3
0 AM
05:0
0 AM
05:3
0 AM
06:0
0 AM
06:3
0 AM
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0 AM
07:3
0 AM
08:0
0 AM
08:3
0 AM
09:0
0 AM
09:3
0 AM
10:0
0 AM
10:3
0 AM
11:0
0 AM
11:3
0 AM
12:0
0 PM
12:3
0 PM
01:0
0 PM
01:3
0 PM
02:0
0 PM
02:3
0 PM
03:0
0 PM
03:3
0 PM
04:0
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04:3
0 PM
05:0
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05:3
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06:3
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07:3
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09:3
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10:3
0 PM
11:0
0 PM
11:3
0 PM
2015
2008
VE
HIC
LES
PE
R 1
5 M
in
TIME OF DAY
EQUAL MORNING
PEAK HOUR START
HIGHER MORNING DEMAND
EARLIER AND HIGHER AFTERNOON PEAKEXTENDED MORNING PEAK
8
MBTA BUS ROUTES - GROWTH
86
CT2
8990
101
92
95
104
105
109
9392
91
86
22%
104
63%
105
49%
109
81%91
59%
9
Source: UIL
89, 90, 95, 101
86, 91, CT2
104, 105, 109
92, 93
NEW CIRCULATION*
*MBTA STILL EVALUATING FUTURE ROUTES AND ACCESS
MBTA BUSES- CIRCULATION
10
REGIONAL GROWTH
lowermysticstudy.org 11
WYNN PROJECT CHANGE - NPC
Vehicle Trips to Casino = 17,550/day (Fridays)*EVERETT
BOSTON
56%
63%
*CASINO TRIPS THROUGH SSQ ~ 10,440 VEHICLES12
WYNN PROJECT CHANGE - NPC
0
100
200
300
400
500
600
700
800
900
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
CASINO - FRIDAY HOURLY VEHICLE TRIPS THRU SSQ
ALL TRIPS UNDERPASS
TOTAL TRIPS THRU SSQ
TRIPS THAT WOULD USE THE UNDERPASS
63% EXITING18% SURFACE45% UNDERPASS
56% ENTERING 42% SURFACE14% UNDERPASS
3PM
+500
11PM
+800
7PM
+600
11AM
+30045%
14%
5 AM +200
1 AM +500
ADDED TRIPS(~10,440 Daily)
UNDERPASS(~5,200 Daily)
13
0
200
400
600
800
1000
1200
1400
1600
1800
2000
1 2 : 0 0 A M
0 1 : 0 0 A M
0 2 : 0 0 A M
0 3 : 0 0 A M
0 4 : 0 0 A M
0 5 : 0 0 A M
0 6 : 0 0 A M
0 7 : 0 0 A M
0 8 : 0 0 A M
0 9 : 0 0 A M
1 0 : 0 0 A M
1 1 : 0 0 A M
1 2 : 0 0 P M
0 1 : 0 0 P M
0 2 : 0 0 P M
0 3 : 0 0 P M
0 4 : 0 0 P M
0 5 : 0 0 P M
0 6 : 0 0 P M
0 7 : 0 0 P M
0 8 : 0 0 P M
0 9 : 0 0 P M
1 0 : 0 0 P M
1 1 : 0 0 P M
SULLIVAN SQ UNDERPASS VOLUMESV
EH
ICLE
S P
ER
HO
UR
TIME OF DAY
ADDED CASINO TRIPS(+5200 Daily)
EXISTING UNDERPASS(26,900 Daily)
CASINO ADDED TRAFFIC
14
TRAFFIC ANALYSIS RESULTS
• Traffic Models• Lower Mystic Regional Working Group• Tt
• Synchro is a macroscopic analysis and optimization software program for signalized intersections, unsignalized intersections and roundabouts. Allows modeling of individual intersections, corridors or grid networks.
• SimTraffic is a microscopic model where each vehicle in the traffic network is individually tracked through the model and comprehensive operational measures of effectiveness (MOEs) are collected on every vehicle during each 0.1-second of the simulation.
15
LOWER MYSTIC WORKING GROUP
CTPS Model Output - January 23, 2017 - Surface vs. UnderpassRegional Location AM Peak Hour Delay (Seconds) PM Peak Hour Delay (Seconds)
INT # Intersection City2040
Surface2040
UnderpassMore
Favorable2040
Surface2040
UnderpassMore
Favorable
32 Sullivan Square (Route 99 @ Mystic/Main/Cambridge) Charlestown 106 65 Underpass 52 33 Underpass31 Rutherford Ave @ Austin St/Gilmore Bridge Charlestown 95 38 Underpass 115 67 Underpass30 Rutherford Ave @ Rt 1 Ramps Charlestown 75 31 Underpass 42 23 Underpass29 City Square (Chelsea St @ Rutherford/No. Washington) Charlestown 73 41 Underpass 92 51 Underpass56 Main @ Austin St Charlestown 36 18 Underpass 82 46 Underpass
Source: Lower Mystic Regional Working Group Final Presenation 1-23-2017
SYNCHRO Performance Measures
16
TRAFFIC ANALYSIS RESULTS – AM Peak - Tt
AT-GRADE CONCEPT UNDERPASS CONCEPTSYNCHRO Performance Measures
DRAFT
17
TRAFFIC ANALYSIS RESULTS – PM Peak - Tt
AT-GRADE CONCEPT UNDERPASS CONCEPTSYNCHRO Performance Measures
DRAFT
18
TRAFFIC ANALYSIS RESULTS- SIMULATION
2040 Future Build Rutherford Avenue Reconstruction – SIMTRAFFIC Performance Measures
AM PM
At Grade Underpass At Grade Underpass
Total Delay(hr) 1072 764.2 1277 964.5
Total Del/Veh (s) 720 175.6 615.2 202.7
Stop Delay (hr) 1048 649.4 1237.2 827.7
Stop Del/Veh (s) 703.8 149.2 596 173.9
Travel Dist (mi) 2681.6 9314.5 4420.5 9616.3
Travel Time (hr) 5285.7 2564.2 5484.7 3202.6
Avg Speed (mph) 2 8 3 7
Fuel Eff. (mpg) 2.1 11.1 3.2 9.7 19
TRAFFIC ANALYSIS RESULTS
• PEDESTRIAN & BICYCLES• Both Alternatives would have safe facilities
• Underpass Alternative has shorter Intersection Cycle Lengths• Pedestrian crossing at Underpass ramps is limited• Several New Crossing Points added
• Signals will have LPI (advanced walk)• Countdown pedestrian heads, APS pushbuttons (Advanced ADA)
• Separated Bike Lanes – both sides of corridor• Bike signal indications and Bike LBI
20
PEDESTRIAN CROSSING SIGNALS
DRAFT
1150’ 800’ 1350’160’
950’
1050’
Rutherford Avenue
Essex StAustin St
City SqArlington
Mishawum
New Crossing Signal
Community College
21
An UNDERPASS CONCEPT
FAMILY OF UNDERPASS ALTERNATIVES• Urban Street Grid
• Ped + Bike Facilities• Open Space and Parks• TOD Parcels
• Maffa Way / Mystic Ave• Square Blocks or Crossover
• Arlington Street / MBTA driveway• Traffic Signal• Harbor Path Crossing• Bus access to Underpass
• Development Parcels
• Ryan Playground• Mid-Corridor
• Community College • Industrial Park• Underpass Transitions
• Austin Street• BPDA
• Revisit Urban Design• Cecil Group• Public Involvement
22
UNDERPASS REDUCTION
EXISTING CONCEPT PROPOSED
GRADE 4% 6%
LENGTH 3400’ 1900’
AUSTIN STREET SULLIVAN SQUAREEXISTING CONCEPT PROPOSED
GRADE 4% 6%
LENGTH 1800’ 1100’
AFTER
BEFORE
AFTER
BEFORE
UNDERPASS TYPICAL ROADWAY PROFILE (EXAGGERATED)
REDUCED UNDERPASS REDUCED UNDERPASS
23
An UNDERPASS CONCEPT
• URBAN STREET GRID• Simplify Major Movements• Ped & Bike Facilities• TOD Parcels• Ryan Playground • Arlington Street Parcels• Underpass Transitions
DRAFT
T
Ryan Playground
24
An UNDERPASS CONCEPT
T
• Maffa Way at Mystic Ave• Crossover Alternative - revised• One direction - to Mystic Ave• Traffic Signal• Ped crossing to Assembly Sq• Dedicated lane for MBTA
buses
25
An UNDERPASS CONCEPT
T
• Maffa Way at Mystic Ave• Crossover Removed• Square Blocks
• Short spacing• Traffic queues
• Parcel Shape
26
An UNDERPASS CONCEPT
T
• Pedestrian & Bicycles• Separated bike lanes• Access to:
• MBTA station• Assembly Sq• Ryan Playground• Neighborhood• Multi-use Path
27
An UNDERPASS CONCEPT
• Arlington St/MBTA Yard• New Signals• MBTA Bus Yard
Access/Egress• 35 Acre Parcel
• Future development• Pedestrian Path Crossing• Bus access to Underpass
• Bypass Sullivan Square
DRAFT
Ryan Playground
Harbor walk
28
An UNDERPASS CONCEPT
• Arlington St/MBTA Yard• New Signal• MBTA Bus Yard
Access/Egress• Pedestrian Path Crossing
• Hybrid Signal• Parcel access to Underpass
• Bypass Sullivan Square
DRAFT
Ryan Playground
Harbor walk
29
An UNDERPASS CONCEPT
• Ryan Playground• Local road access/egress• Expanded Open Space• Expanded parking• Portal Entrance
DRAFT
Ramp Roadway
Covered Deck or Air Rights Development
Bike/Multi-use Path
Park/Landscaping
Ryan Playground
30
MULTI-USE PATH & OPEN SPACE
DRAFT
Ramp Roadway
Covered Deck or Air Rights Development
Linear Park
Bike/Multi-use Path
+50’ Linear Park
31
MULTI-USE PATH & OPEN SPACE
DRAFT
+50’ Linear Park
Linear Park
Bike/Multi-use Path
32
MULTI-USE PATH & OPEN SPACE
DRAFT
+50’ Linear Park
Linear Park
Bike/Multi-use Path
Ramp Roadway
33
SHARED-USE PATH at AUSTIN STREET
DRAFT
PEDESTRIAN BRIDGE
COMMUNITY COLLEGELinear Park
Bike/Multi-use Path
Ramp Roadway
34
SHARED-USE PATH at RTE 1 RAMPS
DRAFT
Linear Park
Bike/Multi-use Path
35
SHARED-USE PATH at CITY SQUARE
DRAFT
Linear Park
Bike/Multi-use Path
Dedicated Bus Lane
Area comparison from City Sq. to MishawumExisting pavement area = 745,800 sf (17.1 ac)Proposed pavement area= 577,650 sf (13.3 ac.)22% Reduction in pavementOpen Space Gained= 168,150 sf (3.86 ac) 36
CROSS SECTION VIEW
EXISTING at ESSEX STREET: 143’ Pavement
PROPOSED: 86’ Pavement, +50’ LINEAR PARK
37
RAISED CROSSINGS
• Typical Minor Street Crossings from Neighborhood
• Baldwin Street• Essex Street• West School Street
• Raised Crossing to prioritize pedestrians and bikes
• Source: Google Maps: Pond St, Brookline 38
SUPPORTING THE VISION
2013 BPDA Community Study• Better access to MBTA• New open spaces• Mixed-use Transit oriented development• Pedestrian friendly streetscape• Neighborhood connections• Accommodating bus operations
39
An UNDERPASS CONCEPT
DRAFT
• Underpass - Family of Alternatives
• TOD PARCELS• Parcel Layout• Air Rights• Decking• Open Space
• Subconsultants• Cecil Group• Brown Richardson
& Rowe
45
3
7
62
1
40
RESILIENCY STUDY - UPDATE
DRAFT
Source: Kleinfelder
Learn More and Get Updateswww. boston.gov/climate-ready
DESIGN GOALS:?✓ Protect the Community
from Coastal Flooding✓ Make Infrastructure
Resilient✓ Enhance Waterfront
Access✓ Expand Open Space
41
http://www.imagine.boston.gov/
RESILIENCY STUDY - UPDATE
Schrafft’s
FLOOD ELEVATION
1. PROPOSED BERM/WALL
DRAFT
To Main St
Mystic River
Source: Kleinfelder
2. RAISED ROADWAY
42
NORTH WASHINGTON ST BRIDGE
BUS LANE
SEPARATED BIKE LANES
Source: HSH/ULI
DRAFT
43
Thank you for your continued involvement
FOR MORE INFO: https://www.cityofboston.gov/transportation/rutherford/
QUESTIONS?
NEXT MEETINGS – TBD
Austin, TXLance Armstrong path Photo credit: Adam Coppola Photography
44
https://www.cityofboston.gov/transportation/rutherford/
Slide Number 1PROJECT TEAMAGENDAPROJECT GOALS – 2009 & NOWADJACENT DEVELOPMENT PROJECTS2017 – DAILY CORRIDOR VOLUMES2017 SULLIVAN SQ DAILY VOLUMESSULLIVAN SQ UNDERPASS VOLUMESMBTA BUS ROUTES - GROWTHMBTA BUSES- CIRCULATIONREGIONAL GROWTHWYNN PROJECT CHANGE - NPCWYNN PROJECT CHANGE - NPCSULLIVAN SQ UNDERPASS VOLUMESTRAFFIC ANALYSIS RESULTSLOWER MYSTIC WORKING GROUPTRAFFIC ANALYSIS RESULTS – AM Peak - TtTRAFFIC ANALYSIS RESULTS – PM Peak - TtTRAFFIC ANALYSIS RESULTS- SIMULATIONTRAFFIC ANALYSIS RESULTSPEDESTRIAN CROSSING SIGNALSAn UNDERPASS CONCEPTUNDERPASS REDUCTIONAn UNDERPASS CONCEPTAn UNDERPASS CONCEPTAn UNDERPASS CONCEPTAn UNDERPASS CONCEPTAn UNDERPASS CONCEPTAn UNDERPASS CONCEPTAn UNDERPASS CONCEPTMULTI-USE PATH & OPEN SPACEMULTI-USE PATH & OPEN SPACEMULTI-USE PATH & OPEN SPACESHARED-USE PATH at AUSTIN STREETSHARED-USE PATH at RTE 1 RAMPSSHARED-USE PATH at CITY SQUARECROSS SECTION VIEWRAISED CROSSINGSSUPPORTING THE VISIONAn UNDERPASS CONCEPTRESILIENCY STUDY - UPDATERESILIENCY STUDY - UPDATENORTH WASHINGTON ST BRIDGEThank you for your continued involvement
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