design policy at wsdot · design policy at wsdot •practical solutions •design policy highlights...
TRANSCRIPT
John Donahue, PE, AICP Design Analysis and Policy Manager
Washington State Transportation CommissionDecember 13, 2016
Design Policy at WSDOT
• Practical solutions• Design policy highlights• Design process example• Training support
Design Policy 2016
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Design Policy 2016
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• Operations/Demand Management first• Results that benefit our Transportation System
• Does not compromise safety
• Performance-Based decisions• Focus on Need and Least Cost Solution
• Emphasizes Community Engagement
• Multidisciplinary/Collaborative
decision making
Practical Solutions
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Practical Solutions
Practical
Design
Law/Legislature
Maintenance &Operations
Planning Planning Scoping Programming Design Construction
Implement Solutions
DevelopFunded
Solutions
AssignResources
Refine SolutionsAssessAlternativeStrategies
EstablishPolicy
Framework
Manage SystemAssets
IdentifyNeeds
PRACTICAL
SOLUTIONS
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Design Matrices
Design Policy 2016
Past practice
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Consider the Context
Understand theProject Need
Including the contributing factors
Document selection of Design Elements
Document selection of
Dimensions
Formulate & Evaluate Alternatives
That meet the need
SOLU
TIO
NSIT
UATIO
N
Design Policy 2016
New Process Highlights
EvaluateDesign Controls
New process
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Consider the Context
Understand theProject Need
Including the contributing factors
SOLU
TIO
N
Design Policy 2016
New Process Highlights
o Establish baseline and contextual needso Develop performance metrics and targetso Examine contributing factors (root causes)o Engage the community about needs
o Understand the land use contexto Identify the transportation context o Consider existing and future contextso Understand the community design vision
o Consider the needs of all modes
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EvaluateDesign Controls
Formulate & Evaluate Alternatives
That meet the need
Design Policy 2016
New Process Highlights
o Design year, Design user(s)o Modal priorities, target speed
o Consider phased solutions o Verify access control
o Use performance metrics to evaluate alternatives
o Document tradeoffs using Alternatives Comparison Table
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Modal priority – motor vehicles
Design Policy 2016
New Process Highlights
From “WSDOT Design Manual, 2014”http://www.wsdot.wa.gov/Publications/Manuals/M22-01.htm
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Example - Bicycle Oriented Cross Section
Design Policy 2016
New Process Highlights
From “WSDOT Design Manual, 2015”http://www.wsdot.wa.gov/Publications/Manuals/M22-01.htm
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Example – Multimodal Cross Section
From “WSDOT Design Manual, 2015”http://www.wsdot.wa.gov/Publications/Manuals/M22-01.htm
Design Policy 2016
New Process Highlights
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1. Project team charters an advisory committee2. Committee includes multiple disciplines and stakeholders
3. Decision process - consensus / collaborative / other
• Need Identification• Context Identification• Design Control Selection• Alternative Formulation/Evaluation • Performance Trade-off Decisions
Project Team / Steering Committee Roles
Design Policy 2016
Consent-based Decisions
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Design Policy 2016
Advances in practice
Image credit: “NACTO Urban Street Design Guide”, 2014
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Design Policy 2016
Advances in practice
Image credit: “AASHTO Highway Safety Manual”, 2010
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Consider the Context
Understand theProject Need
Including the contributing factors
Document selection of Design Elements
Document selection of
Dimensions
Formulate & Evaluate Alternatives
That meet the need
SOLU
TIO
NSIT
UATIO
N
Design Policy 2016
New Process Highlights
EvaluateDesign Controls
New process
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Design Policy 2016
Basis of Design
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Consider the Context
Understand theProject Need
Including the contributing factors
Document selection of Design Elements
Document selection of
Dimensions
Formulate & Evaluate Alternatives
That meet the need
SOLU
TIO
NSIT
UATIO
N
Design Policy 2016
New Process Highlights
EvaluateDesign Controls
New process
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Design Policy 2016
Basis of Design
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Design Policy 2016
Basis of Design
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Consider the Context
Understand theProject Need
Including the contributing factors
Document selection of Design Elements
Document selection of
Dimensions
Formulate & Evaluate Alternatives
That meet the need
SOLU
TIO
NSIT
UATIO
N
Design Policy 2016
New Process Highlights
EvaluateDesign Controls
New process
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Design Policy 2016
Basis of Design
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Design Policy 2016
Basis of Design
“this alternative is the least expensive alternative in accomplishing the City of Kennewick’s “complete street goals . . . “
“. . . making this corridor more accessible for all modes of transportation . . .”
Section 4 tradeoffs discussion
“WSDOT and the City of Kennewick have worked together through the design process . . . “
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Workforce Development
Current delivery• Design Manual Update Training• Practical Solutions Approach to Project Development Overview• Highway Safety Manual (various levels)• FHWA CSS Technical Assistance
In development• e-learning for Design Manual Update Training• Design Documentation• Multimodal Project Development
Training highlights
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Thank You
Design Policy Development- Chris Schroedel, PE- Jeff Petterson, PE- Kurt Sielbach
John Donahue, PE, AICPDesign Analysis and Policy ManagerWashington State Department of [email protected](360) 705-7952
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