A Diet that Works AMATS Road Diet Analysis Curtis Baker, Planning - - PowerPoint PPT Presentation

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a diet that works amats road diet analysis
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A Diet that Works AMATS Road Diet Analysis Curtis Baker, Planning - - PowerPoint PPT Presentation

May 08, 2023 327 likes •696 views

A Diet that Works AMATS Road Diet Analysis Curtis Baker, Planning Administrator David Pulay, Transportation Engineer October 2015 Overview What is a Road Diet? The Big Picture Why does an MPO care about Road Diets? AMATS Road

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A Diet that Works AMATS Road Diet Analysis

Curtis Baker, Planning Administrator David Pulay, Transportation Engineer October 2015

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Overview

  • What is a Road Diet?
  • The Big Picture

– Why does an MPO care about Road Diets?

  • AMATS Road Diet Analysis/Examples
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What is a Road Diet?

  • Reduces the number lanes on a roadway
  • Most common conversion is four lanes to three

lanes

  • One lane in each direction with a continuous

turn lane

  • Dropped lane width is allocated to other users
  • Same pavement width, new lane configuration
  • Very little additional infrastructure cost
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Typical Configuration

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Benefits of a Road Diet

  • Safety

– Overall crash reduction of 19 to 47 percent – Less rear‐end and left turn crashes through use of a dedicated left turn lane – Calming effect on speed

  • Fewer lanes for pedestrians to cross
  • Extra width can accommodate other

transportation modes such as bikes

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Benefits of a Road Diet

  • Smoother traffic flow, less slow and go flow
  • Best use of pavement when the capacity of a

roadway is greater than the demand

– Highways designed in 50’s and 60’s based on the current growth patterns – Population projections never materialized

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Why We Care About Road Diets

  • Transportation Funding Difficulties
  • Regional Demographics
  • Connecting Communities/Complete Streets
  • Re‐imagining Spaces
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Transportation Funding Difficulties

  • Funding has remained unchanged while

project costs continue to rise

  • Bike and pedestrian connections often foiled

by right‐of‐way/acquisition costs

  • We can create important connections with

minimal cost

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  • Loss of

population

  • Lower

traffic counts

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Connecting Communities and the Importance of Complete Streets

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Complete Streets

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Re‐imagining Our Community

N Main St Akron ‐ Existing

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Re‐imagining Our Community

Photo: Tim Fitzwater

N Main St Akron – During Better Block

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Re‐imagining Our Community

N Main St Akron ‐ Existing

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N Main St Akron – During Better Block

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StreetMix.com Tempera Paint & Duct Tape

Tools

Baton Rouge

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The AMATS Road Diet Analysis

  • Goal was to compile a list of streets where a

road diet could be applied

  • Start with an accurate inventory of roadways

– GIS Database – ODOT Office of Technical Services – Highway Maintenance

Wolf Ledges Pkwy Akron

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The AMATS Road Diet Analysis

  • Reduce the inventory by eliminating

– Interstates and freeways – Divided roadways (freeway look‐alikes) – Roadways with only two lanes

  • In rare cases three lane roads and five lane

roads can receive a road diet

Wolf Ledges Pkwy Akron

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The AMATS Road Diet Analysis

  • Three lane roads must have unusually wide lanes

– Reduce width of each lane – Allocate space for bike lane

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The AMATS Road Diet Analysis

  • Road diet applied to five lane roads has to have

extra space well defined

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The AMATS Road Diet Analysis

  • Find average daily traffic (ADT)

– Tier One: less than 10,000 – Tier Two: 10,000 to 15,000 – Tier Three: 15,000 to 20,000 – Over 20,000 is probably not a good choice

Wolf Ledges Pkwy Akron

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The AMATS Road Diet Analysis

  • Determine peak hour volume

– If this is not provided it is usually 8‐12% of the ADT

  • Determine directional peak hour volume

– If this is not provided use “engineering judgment” – Peak hour directional volume less than 800‐900

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The AMATS Road Diet Analysis

  • Additional Analysis Recommended

– Tier 2 roadways (ADT 10,000‐15,000) key intersections should to be analyzed, intersection spacing and length of queues considered – Tier 3 roadways (ADT 15,000‐20,000) key intersections should to be analyzed and corridor analysis for overall level of service

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The AMATS Road Diet Analysis

  • Additional Considerations

– Roadway function and it’s environment – Continuity – Railroad tracks ‐ queues twice as long with less lanes – Grades and slow moving vehicles – Frequently stopping vehicles, especially buses – Population and traffic volume trends

Opportunity Pkwy Akron

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The AMATS Road Diet Analysis

  • Successful Implementation

– All stakeholders are part of the planning process – Coordinate with resurfacing projects/schedules – Community support

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Road Diet Examples

Copley Rd (SR 162) in Akron, ADT = 13,300

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South St in Akron, ADT = 1,920

Road Diet Examples

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South Main St in Summit Co., ADT ≈ 12,000

Road Diet Examples

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Road Diet Projects Planned

  • Cedar St in Akron, three one‐way lanes + parking, ADT = 9,370
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Road Diet Projects Planned

  • Exchange St in Akron, four one‐way lanes, ADT = 10,390
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Maple St in Akron, ADT = 5,760

High Ranking Candidates

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Wolf Ledges Pkwy in Akron, ADT = 8,400

High Ranking Candidates

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  • E. Exchange St in Akron, ADT ≈ 10,000

High Ranking Candidates

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High Ranking Candidates

  • N. Main St in Akron, ADT ≈ 10,000
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Questions?

Curtis Baker Planning Administrator, AMATS Email: cbaker@akronohio.gov David Pulay, PE Transportation Engineer, AMATS Email: dpulay@akronohio.gov www.amatsplanning.org