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April 15, 2015 April 15, 2015

April 15, 2015 - PowerPoint Presentation

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April 15, 2015 - PPT Presentation

Odd Fellows Road Interchange and Roadway Improvements Citizen Information Meeting Contract Information Contractor GA amp FC Wagman Inc David Lyle DesignBuild Project Manager ID: 620193

segment roundabouts roundabout drive roundabouts segment drive roundabout design road project diameter 2015 mayflower albert lankford overview source nchrp

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Slide1

April 15, 2015

Odd Fellows Road Interchange and Roadway ImprovementsCitizen Information MeetingSlide2

Contract Information

Contractor: G.A. & F.C Wagman, Inc. David Lyle Design-Build Project Manager Paul Phillips Design-Build Construction Manager

Designer: Johnson, Mirmiran & Thompson, Inc.

Rodney Hayzlett, P.E Design Manager

Contract Price

: $29,846,350 Awarded: January 2015 Notice to Proceed: February 18, 2015 (Design Start Date) Construction Start: November 2015 Final Completion Date: August 3, 2018Slide3

Introductions

Contract InformationProject OverviewRoundaboutsConstruction ScheduleConclusionAgendaSlide4

Project OverviewSlide5

Project Overview

Segment ADesign Features: New interchange with US 29/460 New roundabout at Top Ridge Road

Segment A

Top Ridge Road Roundabout

Bra

dley Drive

Segment B1WBL Route 460EBL Route 460Slide6

Project Overview

Segment B1Design Features: Roadway improvements along Odd Fellows Road New roundabout at Mayflower Drive

Segment B1

Mayflower Drive Roundabout

Mayflower Drive

Bradley Drive

Segment A

Segment B2Slide7

Project Overview

Segment B2 (Design Only)Design Features: Roadway improvements along Odd Fellows Road New Roundabout at Albert Lankford Drive and Murray Place

Segment B2

Albert Lankford Drive Roundabout

Lynchburg

Expressway

Segment B1Norfolk-Southern RailwayAlbert Lankford Drive

Murray PlaceSlide8

Roundabout Basics

Source: NCHRP Report 672, Roundabouts: An Informational Guide (Oct. 2010) Typical FeaturesCircular shape

Traffic yields entering the circle

Splitter islands direct traffic and provide refuge for pedestriansConcrete apron permits turning movements by large trucks

Modern roundabout dates to 1960’s (U.K.)

Virginia has 130± in its inventory

3 in Lynchburg DistrictSplitter Island

Apron

DiameterSlide9

Roundabouts

What benefits do roundabouts offer?FUNCTIONALKeep traffic movingLower delays than a signalized intersectionLower costs to operate and maintain

Reduced vehicle emissions

Source: NCHRP Report 672, Roundabouts: An Informational Guide (Oct. 2010)

Delay with Signal

16 sec

Delay with Roundabout3 sec1000 vehicles/hourSlide10

Roundabouts

What benefits do roundabouts offer?SAFETYSignificant safety improvementLowers vehicle speedEliminates red-light running

Eliminates most serious conflict points

Safer for pedestrians and cyclistsCompared to Signalized Intersections

90% Reduction in Fatal Crashes

75% Reduction in Crashes with Injury

30% Reduction in Pedestrian Crashes10% Reduction in Bicycle CrashesSource: NCHRP Report 672, Roundabouts: An Informational Guide (Oct. 2010) Slide11

Roundabouts

What benefits do roundabouts offer?SAFETYFar fewer conflict pointsSource: NCHRP Report 672, Roundabouts: An Informational Guide (Oct. 2010) Slide12

Roundabouts

3 Roundabouts Included on Project1. Segment A: Top Ridge Road 80’ Diameter2. Segment B1: Mayflower Drive 120’ Diameter

3. Segment B2: Albert Lankford Drive 85

’ Diameter

How do these compare to existing roundabouts in Lynchburg District?

2

3

1Slide13

Roundabouts

5th StreetLynchburg, VA75’ Diameter

75’Slide14

Roundabouts

Routes 60 and 29Amherst, VA85’ Diameter

85’

15.9% TrucksSlide15

Roundabouts

Mayflower Drive120’

8.6% TrucksSlide16

Construction Schedule

Targeting 2018 DeliveryUtility Relocations – June 2015 thru June 2016Project Completion – August 2018Traffic Impacts Restrictions on Single Lane Closures Odd Fellows Road: 7 AM – 9 AM; 4 PM – 6 PM

Route 29/460: 7 AM – 9 AM; 2 PM – 6 PMRestrictions on Total Closure

6 AM – 7

PM (15 Minute Maximum)Slide17

Please Join Us at the Displays For More Information