Module 4 (Best Practice Examples)解读

Pick between feasible project alternatives Size structure widths Highlight WZ right-of-way and environmental impacts early enough to do something about them
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Examples of Work Zone Best Practices
Michigan DOT WZ Policy
Applies to all State trunklines, including freeway and non-freeway facilities Applies to all types of work zones Memos and presentations on policy have been given to all personnel
Impacts Assessment
Impacts Assessment

As a result of the Rule, agencies are:


Considering WZ impacts earlier in the project development process
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Policy Distribution and Training

CO - Distributed to divisions through statewide meeting forums ID – 1 day workshop with Regional and District offices
Coordinating projects so that multiple projects do not adversely impact traffic along certain corridors
Examples of Work Zone Best Practices
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Ohio DOT MOT Alternatives Analysis
Examples of Work Zone Best Practices
The goal of the MOTAA is to identify potential traffic safety and mobility problems prior to detailed design so that a solution can be engineered into the design.
Enhancing consideration and management of WZ safety and mobility impacts
Expanding planning and impacts assessment beyond the project WZ itself to address corridor, network, and regional issues
-WSDOT WZ Policy Statement
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Maryland State Highway Administration WZ Policy

Applies to all work performed on SHAmaintained roads
District Offices received extensive training on the policy


Used to identify and analyze potential WZ impacts “constraints” early in project development Occurs PRIOR to the first detail plan submissions Early enough so that MOT can be used to help:
Establishes roles and expectations for the identified program areas Greater communication and cooperation among all groups by providing a clear understanding of expectations

Examples of Work Zone Best Practices
“Effective work zone safety and mobility strategies minimize traffic delays and provide a safe environment in which to work and drive."
Using analytical traffic modeling to determine impacts of upcoming significant projects
Minimizing disruptions on major traffic corridors by optimizing the letting schedule


KY – Presentations at conferences, meetings over 2 years AL, ID, MT, NH, NC, and VA - Shared their respective policies with MPOs
Examples of Work Zone Best Practices 9
Time
of day Day of the week Seasons
Examples of Work Zone Best Practices
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Maryland SHA Lane Closure Analysis Program
Tool to quantify queues and delays from capacity decreases in freeway work zones Compares expected travel demand against WZ capacity on an hour-by-hour basis to estimate delay and queue growth
Examples of Work Zone Best Practices
Module 4
Module Overview

Covers current practices and successes in:
Policy Impacts
Assessment Significant Projects Transportation Management Plans (TMPs) Data Collection and Analysis and Performance Monitoring Coordinating Multiple Projects

Numerous successful practice examples from a variety of agencies have emerged
Examples of Work Zone Best Practices 3

Policy
Work Zone Policy
Agencies pulled together several disparate policies and procedures/guidelines Formed a collaborative, multi-disciplinary team (ongoing benefits)


Some agencies have established goals and measures for WZ performance (e.g., queues, delay time)
Examples of Work Zone Best Practices
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Washington State DOT WZ Policy

Each section includes:
State
of the practice Best practice examples
Examples of Work Zone Best Practices 2
Overall Findings

Since the Work Zone Safety and Mobility Rule we have seen:


Provides earlier sense of potential delay impacts Covers segments of the freeway/expressway statewide 360小说 Contains hourly traffic count data Contains pre-calculated estimates of road user delay likely to occur if a lane is closed:
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Stage 1 Design
MOTAA MOT Policy Exception
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Examples of Work Zone Best Practices
Ohio DOT MOT Process
Examples of Work Zone Best Practices
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Wisconsin DOT Lane Closure Analysis Tool
Enhanced
consideration of WZ impacts Earlier planning for work zones More focus on managing work zones Enhanced training More performance measurement