Work Zone Impacts Assessment –
An Approach to Assess and Manage Work Zone Safety and Mobility Impacts of Road Projects
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Contact Information: WorkZoneFeedback@dot.gov
Final Report
August 2006
U.S. Department of Transportation
Federal Highway Administration
Office of Operations
FHWA-HOP-05-068
Table of Contents
Notice
List of Acronyms
Executive Summary
1.0 Introduction
1.1 What Is Work Zone Impacts Assessment?
1.2 Why Assess Work Zone Impacts?
2.0 Overview of the Work Zone Impacts Assessment Process
2.2 Incorporating Work Zone Impacts Assessment in Program Delivery
3.0 Addressing Work Zone Impacts at the Policy-Level
3.1 What Happens at the Policy-Level?
3.2 Why Consider Work Zone Impacts Issues at the Policy-Level?
3.3 Developing and Implementing a Work Zone Policy
3.3.1 Key Components of a Work Zone Policy
3.3.2 Who Develops and Implements the Policy?
3.3.3 Policy Development and Implementation Process3.4 Potential Policy Provisions for Application During Program Delivery
3.4.1 Classification of Projects Based on Expected Work Zone Impacts
3.4.2 Work Zone Performance Standards/Requirements
3.4.3 Policy Guidance and Agency Processes and Procedures
4.0 Work Zone Impacts Assessment During Systems Planning
4.2 Why Assess Work Zone Impacts During Systems Planning?
4.2.1 Importance of Work Zone Impacts Assessment in Systems Planning
4.3 When in Systems Planning Can Work Zone Impacts Be Assessed?
5.0 Work Zone Impacts Assessment During Preliminary Engineering
5.1 What Happens During Preliminary Engineering?
5.2 Objectives of Work Zone Impacts Assessment During Preliminary Engineering
6.0 Work Zone Impacts Assessment During Design
6.1 What Happens During Design?
6.2 Objectives of Work Zone Impacts Assessment During Design
7.0 Work Zone Impacts Assessment During Construction
7.1 What Happens During Construction?
7.2 Objectives of Work Zone Impacts Assessment During Construction
8.0 Performance Assessment
8.1 What Is Performance Assessment?
9.0 Work Zone Impacts Assessment in Maintenance and Operations
9.1 Overview of Maintenance and Operations (M&O)
9.2 Objectives of Assessing Work Zone Impacts in M&O
9.3 Who Performs the Assessment?
9.4.1 Improving Agency Procedures so that the Direct Safety and Mobility Impacts of M&O Activities Are Minimized and Better Managed
9.4.2 Planning and Coordinating M&O to Minimize Overall System-Wide Impacts
9.4.3 Implementing and Managing M&O Activities with Minimal Impacts on Other Construction Projects and Vice-Versa
9.4.4 Incorporating Features in Construction Projects to Facilitate Future M&O with Minimum Disruption
Appendix A – Example Work Zone Impacts Assessment: Virginia Department of Transportation I-495/U.S. Route 1 Interchange Reconstruction Project
Appendix B – Impacts Analysis Tools
Appendix C – Resources Referenced in this Document
Technical Report Documentation Page
List of Tables
Table 2.3 Project Development (Preliminary Engineering and Design)
Table 2.4 Construction/Implementation
Table 2.5 Performance Assessment
Table 2.6 Maintenance and Operations
Table 2.7 Work Zone Impacts Considerations
Table 3.1 Policy Development and Implementation Participants
Table 3.2 FHWA Work Zone Self Assessment – Project Classification Scheme
Table 4.1 Systems Planning Assessment Participants
Table 5.1 Preliminary Engineering Assessment Participants
Table 6.1 Design-Level Work Zone Impacts Assessment Participants
Table 7.1 Construction Work Zone Impacts Assessment Participants
Table 7.3 Sample Performance Aspects to Monitor and Measure
Table 8.1 Performance Assessment Participants
Table 8.3 Project Information Categories and Examples for Performance Assessment
List of Figures
nextFigure 2.1 Typical Program Delivery Process
Figure 2.2 Overall Work Zone Impacts Assessment Flow Diagram
Figure 3.1 Policy Development and Implementation Process
Figure 4.1 Incorporating Work Zone Impacts Assessment in Systems Planning
Figure 4.2 Systems Planning – Work Zone Impacts Assessment Process
Figure 5.1 Preliminary Engineering – Work Zone Impacts Assessment Process
Figure 6.1 Design – Work Zone Impacts Assessment Process
Figure 7.1 Construction – Work Zone Impacts Assessment Process
Figure 8.1 Work Zone Performance Assessment Process
Figure A.1 High-Level WWB Project Location Map
Figure A.2 Detailed Project Location Map
Figure A.3 Sample News/Media Release from WWB Project Web Site
