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Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board of Selectmen Meeting July 13, 2015

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Page 1: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 1

Battle Green Improvements ProjectIntersection of

Bedford Street @ Hancock Street / Harrington Road

Board of Selectmen MeetingJuly 13, 2015

Page 2: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 2

Project Limits

Han

cock

Str

eet

Bed

ford

StreetMassachusetts Avenue

Harrington Street

Page 3: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 3

Discussion Points

1. Traffic Data 2. Accident/Safety Analysis3. Existing Deficiencies4. Improvement Option Evaluation

Page 4: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 4

Existing Average Daily Traffic Volumes

85th% Speed:NB: 33 mph / SB: 32 mph

Page 5: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 5

Existing Peak AM and PM Turning Movement Volumes

Page 6: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 6

5

12

42

7

643 814 3 14

Crashes Within Entire Study Area = 196

Intersection Crash History (2008-2010)

Page 7: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 7

Number of Crashes by Year

Bedford Street @ Hancock Street & Harrington Road

2008 2009 2010 2011 2012 2013 20140

5

10

15

20

25

14

18

10

1920

21

19

Year

Num

ber o

f Cra

shes

Total = 121 Crashes

*Period: 01/01/2008-12/31/2014

Page 8: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 8

Number of Crashes by Month

Bedford Street @ Hancock Street & Harrington Road

January

Febru

aryMarc

hApril

MayJune

July

August

Septem

ber

October

November

December

0

2

4

6

8

10

12

14

16

18

10

4

12

6

17

11

8

10

8

16

7

12

Month

Num

ber o

f Cra

shes

Total = 121 Crashes

*Period: 01/01/2008-12/31/2014

Page 9: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 9

Number of Crashes by Hour of Day

Bedford Street @ Hancock Street & Harrington Road

Hour of Day

Page 10: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 10

Crash Type

Bedford Street @ Hancock Street & Harrington Road

87

15

3 2

84 2

Angle

Rear-End

Head-on

Sideswipe, Opposite Direc-tion

Sideswipe, Same Direction

Single Vehicle Crash

Not Reported

Total = 121 CrashesVehicle/Vehicle Crashes = 117Vehicle/Bicycle Crashes = 3Vehicle/Pedestrian Crashes = 1

*Period: 01/01/2008-12/31/2014

Page 11: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 11

Crash Severity

Bedford Street @ Hancock Street & Harrington Road

99

21

1

Property damage onlyNon-fatal injuryFatalityUnknown

Total = 121 Crashes

*Period: 01/01/2008-12/31/2014

Page 12: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 12

Weather Conditions

Bedford Street @ Hancock Street & Harrington Road

Page 13: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 13

Existing Traffic Pattern

Page 14: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 14

Design Options 1. Remove the Bedford Street right-turn slip lane.2. Option 1 with traffic signals.3. Retain the Bedford Street right-turn slip lane one-way away from Bedford Street.4. Option 3 with traffic signals.5. Make Harrington Road one-way away from Bedford Street (southbound).

Remove the Bedford Street right-turn slip lane.6. Make Harrington Road one-way toward Bedford Street (northbound). Two-way

STOP control.7. Make Harrington Road one-way away from Bedford Street (southbound). Retain

the Bedford Street right-turn slip lane.8. Make Harrington Road one-way away from Bedford Street (southbound). Make

the Bedford Street right-turn slip lane one-way away from Bedford Street.9. Make Harrington Road one-way away from Bedford Street (southbound). Make

Bedford Street one-way between Massachusetts Avenue and Harrington Road. Roundabout.

Page 15: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 15

Bedford Street / Hancock Street / Harrington RoadOption 1 – Remove Bedford Street Right-Turn Slip Lane

HA

NC

OC

K

ST

RE

ET

HARRINGTON

ROAD

BEDFORD STREET

Page 16: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 16

Bedford Street / Hancock Street / Harrington RoadOption 2 – Option 1 With Traffic Signals

HA

NC

OC

K S

TR

EE

T

HARRINGTON

ROAD

BEDFORD STREET

S

S = Proposed Signal System

Page 17: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 17

Bedford Street / Hancock Street / Harrington RoadOption 3 - Retain the Bedford Street Right-Turn Slip Lane

with one-way away from Bedford Street

HA

NC

OC

K S

TR

EE

T

BED

FOR

D STR

EET

Page 18: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 18

Bedford Street / Hancock Street / Harrington RoadOption 4 – Option 3 With Traffic Signals

S

S = proposed signal system

HA

NC

OC

K S

TR

EE

T

BED

FOR

D STR

EET

S

Page 19: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 19

Bedford Street / Hancock Street / Harrington RoadOption 5 – Make Harrington Road One-Way From Bedford Street (Southbound)

Remove the Bedford Street right-turn slip lane

HA

NC

OC

K S

TR

EE

T

Page 20: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 20

Bedford Street / Hancock Street / Harrington RoadOption 6 – Make Harrington Road One-Way Toward Bedford Street (Northbound)

HA

NC

OC

K S

TR

EE

T

Page 21: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 21

Bedford Street / Hancock Street / Harrington RoadOption 7 – Make Harrington Road One-Way From Bedford Street (Southbound) Retain the

Bedford Street right-turn slip lane

HA

NC

OC

K S

TR

EE

T

Page 22: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 22

Bedford Street / Hancock Street / Harrington RoadOption 8 – Make Harrington Road One-Way From Bedford Street (Southbound) with Bedford Street right-turn slip lane one-way away from Bedford Street

Page 23: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 23

Bedford Street / Hancock Street / Harrington RoadOption 9 – Make Harrington Road One-Way From Bedford Street (Southbound), Massachusetts Avenue one-way between Harrington Road and Bedford Street & Bedford Street one-way between Massachusetts Avenue and Harrington Road.

Page 24: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 24

Bedford Street / Hancock Street / Harrington RoadOption 10 - Roundabout

= Proposed Land Taking

Legend

Right-of-Way (Typ.)

BATTLE GREEN

30’ Roadway Width

200’ Diam. Inscribed Circle

Page 25: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 25

Traffic Analysis Level of Service and Delays

Design Option LOS Delay (s)Existing F >> 50 sec*Option 1 F >> 50 sec*Option 2 F >> 50 sec*Option 3 F >> 50 sec*Option 4 F >> 50 sec*Option 5 F >> 50 sec*Option 6 F >> 50 sec*Option 7 F >> 50 sec*Option 8 F >> 50 sec*Option 9 F >> 50 sec*Option 10 Roundabout B 13.2 Sec

Information reflects Hancock Street approach only.* Approach experiences significant delay.

Page 26: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 26

Design Option Pros ConsExisting Unprotected pedestrian crosswalk

Poor operation (LOS F) Unsafe traffic patterns Poor sight lines

Option 1 – Remove the Bedford Street Right-Turn Slip Lane

Improved traffic safety Fewer conflict points

Unprotected pedestrian crosswalk Poor operation (LOS F) Potential impacts to Revere Street and

Meriam Street Neighborhoods

Option 2 – Option 1 with Traffic Signal Full pedestrian/bicycle Protection Improved operation on Harrington Road

Northbound Improved traffic safety for side street

traffic entering Bedford Street

Poor operation (LOS F) Queue backups to Waltham Street

Signal equipment impact to historical character of Battle Green

Maintenance of traffic signals Potential impacts to Revere Street and

Meriam Street Neighborhood

Option 3 – Retain the Bedford Street Right-Turn Slip Lane with one-way away from Bedford Street

Improved traffic safety at Hancock and Bedford Street

Fewer conflict points

Unprotected pedestrian crosswalk Poor operation (LOS F) Potential impacts to Revere Street and

Meriam Street Neighborhoods

Bedford Street / Hancock Street / Harrington RoadDesign Option Comparison

Page 27: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 27

Design Option Pros ConsOption 4 – Option 3 with Traffic Signals Full pedestrian/bicycle Protection

Improved operation on Harrington NB

Improved traffic safety for side street traffic entering Bedford Street

Poor operation (LOS F) Queue backups to Waltham Street

Signal equipment impact to historical character of Battle Green

Maintenance of traffic signals Potential impacts to Revere Street and

Meriam Street NeighborhoodsOption 5 – Make Harrington Road one-way from Bedford Street (southbound)Remove the Bedford Street right-turn slip lane

Fewer conflict points Redirect approx. 200 vehicles during

peak hour period.

Unprotected pedestrian crosswalk Poor operation (LOS F) Impacts to intersections of Worthen Rd @

Mass Ave and Bedford St Potential impacts to Revere Street and

Meriam Street Neighborhoods

Bedford Street / Hancock Street / Harrington RoadDesign Option Comparison

Page 28: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 28

Design Option Pros ConsOption 6 – Make Harrington Road one-way toward Bedford Street (northbound)

Fewer conflict points Unprotected pedestrian crosswalk Poor operation (LOS F) Impacts to intersection of Worthen Rd @

Mass Ave and Bedford St Traffic weaving on Bedford St to Mass Ave Potential impacts to Revere Street and

Meriam Street NeighborhoodsOption 7 – Make Harrington Road one-way from Bedford Street (southbound)Retain the Bedford Street right-turn slip lane

Fewer conflict points Reduced approx. 200 vehicles during

peak hour period.

Unprotected pedestrian crosswalk Poor operation (LOS F) Impacts to intersection of Worthen Rd @

Mass Ave and Bedford St

Option 8 – Make Harrington Road one-way away from Bedford Street (southbound)Make the Bedford Street right-turn slip lane one-way away from Bedford Street

Fewer conflict points Reduced approx. 200 vehicles during

peak hour period.

Unprotected pedestrian crosswalk Poor operation (LOS F) Potential impacts to Revere Street and

Meriam Street Neighborhoods

Bedford Street / Hancock Street / Harrington RoadDesign Option Comparison

Page 29: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 29

Design Option Pros ConsOption 9 – Make Harrington Road one-way away from Bedford Street (southbound)Make Massachusetts Avenue one-way between Harrington Road and Bedford StreetMake Bedford Street one-way between Massachusetts Avenue and Harrington Road.

Simplified traffic circulation Fewer conflict points

Unprotected pedestrian crosswalk Poor operation (LOS F) Impacts to intersection of Worthen Rd @

Mass Ave and Bedford St Potential impacts to Revere Street and

Meriam Street Neighborhoods Severe congestion around Battle Green

roadways

Option 10 – Roundabout Controls traffic without the use of traffic signals

Satisfactory operation (LOS B)

Requires extensive Right-of-Way Volume requires a 2-lane roundabout

Bedford Street / Hancock Street / Harrington RoadDesign Option Comparison

Page 30: Lexington Town Center Streetscape Project Page 1 Battle Green Improvements Project Intersection of Bedford Street @ Hancock Street / Harrington Road Board

Lexington Town Center Streetscape Project

Page 30

Thank You!