Post on 28-Dec-2015
Lexington Town Center Streetscape Project
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Battle Green Improvements ProjectIntersection of
Bedford Street @ Hancock Street / Harrington Road
Board of Selectmen MeetingJuly 13, 2015
Lexington Town Center Streetscape Project
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Project Limits
Han
cock
Str
eet
Bed
ford
StreetMassachusetts Avenue
Harrington Street
Lexington Town Center Streetscape Project
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Discussion Points
1. Traffic Data 2. Accident/Safety Analysis3. Existing Deficiencies4. Improvement Option Evaluation
Lexington Town Center Streetscape Project
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Existing Average Daily Traffic Volumes
85th% Speed:NB: 33 mph / SB: 32 mph
Lexington Town Center Streetscape Project
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Existing Peak AM and PM Turning Movement Volumes
Lexington Town Center Streetscape Project
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5
12
42
7
643 814 3 14
Crashes Within Entire Study Area = 196
Intersection Crash History (2008-2010)
Lexington Town Center Streetscape Project
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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
Lexington Town Center Streetscape Project
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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
Lexington Town Center Streetscape Project
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Number of Crashes by Hour of Day
Bedford Street @ Hancock Street & Harrington Road
Hour of Day
Lexington Town Center Streetscape Project
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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
Lexington Town Center Streetscape Project
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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
Lexington Town Center Streetscape Project
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Weather Conditions
Bedford Street @ Hancock Street & Harrington Road
Lexington Town Center Streetscape Project
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Existing Traffic Pattern
Lexington Town Center Streetscape Project
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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.
Lexington Town Center Streetscape Project
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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
Lexington Town Center Streetscape Project
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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
Lexington Town Center Streetscape Project
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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
Lexington Town Center Streetscape Project
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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
Lexington Town Center Streetscape Project
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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
Lexington Town Center Streetscape Project
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Bedford Street / Hancock Street / Harrington RoadOption 6 – Make Harrington Road One-Way Toward Bedford Street (Northbound)
HA
NC
OC
K S
TR
EE
T
Lexington Town Center Streetscape Project
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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
Lexington Town Center Streetscape Project
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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
Lexington Town Center Streetscape Project
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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.
Lexington Town Center Streetscape Project
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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
Lexington Town Center Streetscape Project
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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.
Lexington Town Center Streetscape Project
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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
Lexington Town Center Streetscape Project
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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
Lexington Town Center Streetscape Project
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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
Lexington Town Center Streetscape Project
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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
Lexington Town Center Streetscape Project
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Thank You!