156 th street design in bennington
DESCRIPTION
156 th Street Design in Bennington. Public Open House Meeting October 28, 2009. City of Bennington, NE. Project Area. Bennington Elementary School. City Hall. 156 th St. Highway 36. Bennington Road. Project History. Jan 2007. Team Selected. Project History. Jan 2007. May 2007. - PowerPoint PPT PresentationTRANSCRIPT
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156th Street Design in Bennington
Public Open House Meeting
October 28, 2009
City of Bennington, NE
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Project Area
Highway 36Bennington Road
City Hall
156th St
Bennington Elementary
School
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Jan 2007
Project History
Team Selected
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May 2007Jan 2007
Project History
Team Selected
FHWA authorized
preparation of a NEPA
Environmental Document
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May 2007Sep 2007
Jan 2007
Project History
Team Selected
FHWA authorized
preparation of a NEPA
Environmental Document
1st Public Information
Meeting Held
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Jan 2008
May 2007Sep 2007
Jan 2007
Project History
Team Selected
FHWA authorized
preparation of a NEPA
Environmental Document
1st Public Information
Meeting Held
Pre
limin
ary
En
gin
ee
ring
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Jan 2008
May 2007Sep 2007
Jan 2007
Project History
Team Selected
FHWA authorized
preparation of a NEPA
Environmental Document
1st Public Information
Meeting Held
Environmental Documentation
(NEPA)
Pre
limin
ary
En
gin
ee
ring
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Jan 2008
Sep 2009 FHWA
May 2007Sep 2007
Jan 2007
Project History
Team Selected
FHWA authorized
preparation of a NEPA
Environmental Document
1st Public Information
Meeting Held
Environmental Documentation
(NEPA)
City
Pre
limin
ary
En
gin
ee
ring
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Jan 2008
Sep 2009
Public Open House
FHWA
May 2007Sep 2007
Jan 2007
Project History
Team Selected
FHWA authorized
preparation of a NEPA
Environmental Document
1st Public Information
Meeting Held
Environmental Documentation
(NEPA)
City
Pre
limin
ary
En
gin
ee
ring
Oct 2009 Public Open House
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Jan 2008
Sep 2009
Oct 2009 Public Open House
FHWA
May 2007Sep 2007
Jan 2007
Project History
Team Selected
FHWA authorized
preparation of a NEPA
Environmental Document
1st Public Information
Meeting Held
Environmental Documentation
(NEPA)
City
Pre
limin
ary
En
gin
ee
ring
Environmental document is currently
under review
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Project Goals
Improve Safety of Traffic flow (Vehicular and Pedestrian)
Control Excessive Traffic Speeding
Address Traffic Congestion and Queuing problems during School peak hours
Improve Drainage and inadequate Storm Sewer system
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Project Needs
Excessive Speeding along 156th Street
171 traffic citations (2006); 199 citations (2007); 150 citations (2008); 135 citations (Jan-June 2009) Speed Records along 156th Street
for 2008 - 81 mph for 2009 - 59 mph
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Speed – Drivers Cone of Vision
40 mph 40 mph 30 mph 30 mph 20 mph 20 mph
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Project Needs
Poor Traffic Operations and Queuing during school peak hours.
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Project Needs
Drainage – Open Ditches and existing storm sewer inadequate causing runoff and flooding.
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Project Needs
Roadway – 156th Street Pavement rapidly degrading. No resurfacing or rehab done in the last 15-20 years.
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Project Alternatives
No-Build AlternativeNo-Build Alternative
Current 2-lane section along 156th St 4-way stop at 156th St & Bennington
Rd Does not improve traffic operations,
excessive speeding and queuing issues
Does not improve safety of Pedestrian/ Bicycles
Drainage problems will continue to exist
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Project Alternatives
Build AlternativesBuild Alternatives Widen 156th Street to a 3-lane roadway
with a center left-turn lane Provides additional capacity to handle future
volumes and queuing at School Provides a refuge lane for left-turning
vehicles Provides a transition area for medians and
landscaping – shorter pedestrian crossings Traffic Calming like Chicanes (curved
roadway) can be effectively incorporated to slow traffic
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Project Alternatives
Incorporate ‘Traffic Calming’ elements to control excessive speeding Chicanes (Curved Roadway) Medians Landscaping, Trees Roundabouts etc.
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Project Alternatives
Build AlternativesBuild Alternatives Install a Traffic Signal at 156th St & Bennington Rd
More Right-of-way needed to install exclusive left-turn lanes Volumes do not meet ‘Federal Traffic Signal Warrants’ till
2030 – No federal money can be used
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Project Alternatives
Build AlternativesBuild Alternatives Install a Roundabout at 156th St & Bennington Rd
Excellent traffic control to reduce speeds (15-20 mph) Good pedestrian crossings – Shorter crossing distance with
refuge medians (one lane at a time) ADA compliant design Eligible for federal funding Functions as a ‘Gateway’ from South
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North Segment
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Chicanes
Curved Roadways to break drivers
line-of-sight
and
Slow drivers
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South Segment
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South Segment
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Roundabout
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Intersection Conflict Points
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Roundabouts – How they work ?
Source/ Credit:
Kansas Dept of Transportation
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Roundabouts(similar to the proposed one in Bennington)
Test Drive
a Roundabout in Omaha
Happy Hollow Blvd & Elmwood Park Road
( near 60th & Dodge)
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Public Opinion about Roundabouts
Source: Wisconsin Dept of Transportation
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Project Area
Stop Signs
3-Lane Section
(Center turn lane + 1 NB thru lane + 1SB thru lane
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Project Area
Chicane
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Project Area
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Roundabout Design
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Landscaping
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Landscaping
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Estimated Costs
Project Total Cost - $ 3,7000,000 (approx.)
156th St/ Bennington Rd Intersection Roundabout - $ 375,000 Traffic Signal - $ 550,000
Mill & Overlay Total Cost - $ 200,000 (approx.) (1” mill + 2” overlay to existing roadway – no drainage improvements or traffic signals or roundabouts )
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Thank You
Please proceed to any of the stations to
Review the preliminary plans
Ask questions
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