Work Zone Data Initiative Colorado Work Zone Activity Data ... Colorado August 1 2… · Work Zone...

Work Zone Data Initiative

Colorado Work Zone Activity Data Workshop

August 1, 2019

Workshop Agenda

7:30 AM Sign-In

8:00 – 8:30 AM Welcome and Introductions

8:30 – 9:30 AM Work Zone Data Processes in Colorado Today

9:30 – 10:30 AM CODOT Uses of Work Zone Activity Data Part I

10:30 – 10:45 AM Break

10:45 – 11:15 AM CODOT Uses of Work Zone Activity Data Part II

11:15 – Noon Advancing Work Zone Activity in Colorado, Part I – Data Uses

Noon – 1:00 PM Lunch

1:00 – 2:30 PM Advancing Work Zone Activity in Colorado, Part II – Priorities and Data Flows

2:30 – 2:45 PM Break

2:45 – 3:45 PM Advancing Work Zone Activity in Colorado, Part III – Creating an Action Plan

3:45 – 4:00 PM Wrap Up and Next Steps

Welcome and Introductions

• Name

• Role in Work Zone Data Management at

Colorado DOT

Source: TTI

Workshop Objectives and Outcomes

• Validate the current state of the practice for work zone

activity data management in Colorado

• Identify priorities for work zone data collection,

analysis, and sharing using a standard data

specification

• Prioritize and schedule actions, identify champions

4Source: Maricopa County DOT

The Big Picture – Work Zone Data Management Efforts

Work Zone Activity Data (WZAD)

Digital data on when, where, and how work

zones are deployed

FHWA’s Work Zone Data Initiative (WZDI) USDOT’s Work Zone Data Exchange (WZDx)

Creating a framework for agencies to utilize

a consistent language for communicating

WZAD across jurisdictional boundaries

Creating a basic work zone data specification

to jump-staring voluntary adoption by data

producers and users across the country

Why implement WZDI/WZDx in Colorado?

• Minimize mobility and safety impacts to drivers

• Coordinate oversize/overweight vehicle permits

• Monitor work zone contractor compliance

• Track field modifications to project plans

• Track availability of ITS assets

• Gather accurate, verified data for real-time traveler information applications

• Gather and use better performance measures

• Improve dispatching and enforcement practices

Simply put…

Reduce burden

on labor and

associated costs

Improve work

zone outcomes

Tools for Enhancing Work Zone Data Management

Work Zone Data System (WZDS) Framework

• Helps understand how to communicate and use WZAD

effectively

• Presents concepts for structuring WZAD and WZDS to support

• Includes info on collecting, storing, disseminating, managing,

maintaining, and archiving data over the WZ life cycle.

• Provides “menu of resources” to pick from to create WZDS

WZAD Data Dictionary

• Specifies consistent data with respect to meaning and

enumerated values

• Serves as a backlog of data elements to add to the WZDx

specification over time

WZAD Users and Stakeholders

• Agency WZ Planning and Coordination

• Agency Design and Engineering

• Agency WZDS Development and Operations

• Agency Construction Operations Manager and

Inspector

• Agency Roadway Maintenance Manager Function

• Utilities Construction WZ Coordination

• Law Enforcement Coordination

• ATMS Operator Function

• ITS/DMS/Traveler Info Systems

• Agency Congestion and Performance Manager

• Agency Oversize/Overweight Permitting Function

Internal Stakeholders

• Neighbor and Regional Partner Agencies

• Construction Contractors

• 3rd Party Traveler Info Providers

• Utilities

• Law Enforcement

Other Primary Stakeholders

• Travelers

• Connected and

Automated

Vehicles

• Freight Haulers

Travelers

• State and Federal

Transportation

Agencies

State and Federal

Stakeholders

WZAD and the Project Life Cycle

Work Zone Data Processes in

Colorado Today

Key Considerations and Uses

• Data Collection

• Types of data collected? How? Where?

• Who collects data?

• Data Analysis

• Data applications?

• Who conducts data analysis?

• Data Reporting and Use

• Who reports on the data?

• Data updates? By whom?

• Data users? Purpose?

• Technologies

• Technologies used for…

• Data collection?

• Data analysis?

• Data reporting?

• Gaps and Opportunities

• Major gaps in data management?

• Information you’d like to have?

Data Collection and Analysis

• Sources:

• Colorado DOT

• Colorado State Patrol

• Local Entities

• Private Parties

• Variety of data is collected and posted in

multiple locations

• Work zone data focused on planned

activities (do not have active or post-

construction data)

Source Type

Traffic counters/loops Traffic Volumes

Lane/road closure reports Construction, Maintenance

Police reports Incidents, Accidents

Cell Phones GPS/Location

Toll Tags Speed, Toll Violations

Traffic Signals Signal Timing, Signal Outages

Ramp Meters Speed

Weigh-in-Motion Vehicle Weight

Manual Entry Forms (MHT,

Lane Closure)

Multiple

Salesforce Multiple

Technology and Applications

• Salesforce

• Data comes from public relations office (Salesforce -> PR Dept -> COTrip)

• COTrip

• Includes all planned activities, examples include:

• Construction engineer submits planned lane closures 1-week prior to event

• Includes information on planned work location (e.g., milepost x to y)

• Cannot make updates to planned activities

• Manual entry (submission via email, forms)

• Must provide information for each event (e.g., lane closure, reduced speed limit)

Coordination and Compliance

• Work Zone Project Coordination

• Coordination occurs for larger, higher visibility projects (smaller projects may have financial constraints)

• Regional project status meetings

• Bi-weekly or monthly

• Informal, information noted via spreadsheet

• Permitting

• Entities (e.g., locals, utilities) must submit a manual permit request at the regional level

• Robust system for permitting is not tied to work zone data systems

• Compliance

• Regions develop their own policies for compliance

• Construction Engineer/Inspector in charge of documenting and assessing penalties

Enforcement

• Larger projects include coordination with local law enforcement

• Smaller projects, coordination done on case-by-case basis

• Plans/forms must include need for law enforcement to direct traffic

• All forms are sent to Colorado State Patrol

• Speeding – double fine law is active all the time (not just when workers are present)

CODOT WZAD State of the Practice

• “Handful” of smart work zones are being piloted

• Building blocks in place, but WZAD is emerging concept within DOT

• CODOT recently went through restructuring

• Executive level buy-in

• Working on operational/tactical buy-in

Gaps and Opportunities

Need for…

• Standard data management practices around collection and storage

• Better understanding of data gathered and its use across CODOT

• Institutionalization and use of Salesforce across the state

• Better understanding of the cost of infrastructure for data collection

• One data repository for easy data extraction and sharing

• Getting (as close to) real-time work zone activity data as possible to input into TOC

• Broadening end users (post to Google, Waze, etc. – not just COTrip)

• Inclusion of incident management team

• Ability to make updates to planned activities in COTrip

• Improved coordination between maintenance and construction groups

Uses of Work Zone Activity Data

Use Case Categories

Work Zone Planning and Project

Coordination

Safety and Mobility Performance Measurement

Construction and Maintenance Contract

Monitoring

Real-time System Management and

Traveler Information Provision

Work Zone Impact Analyses

CAV Hardware Needs and System Readiness

Law Enforcement and Emergency Service

Providers

1.1 - Strategic Coordination during Project Initiation and Planning and Project Development (Agency)

Category 1: Work Zone Planning and Project Coordination

1.1.1 Agency Project Initiation and Planning Coordination.

Agency coordinates plans for multiple projects along a particular facility to ensure travel

path continuity.

1.1.2 Agency Project Design Coordination

Agency coordinates project designs for multiple projects along a particular facility to

ensure travel path continuity.

1.2 - Strategic Coordination during Project Initiation and Planning and Project Development (Regional)

1.2.1 Regional Project Initiation and Planning Coordination

Multiple agencies coordinate plans for multiple projects along a particular facility to

ensure travel path continuity.

1.2.2 Regional Project Design Coordination

Multiple agencies coordinate project designs for multiple projects along a particular

facility to ensure travel path continuity.

1.3 - Strategic Coordination During Active Work Zone Operations

1.3.1 Agency Lane Construction Coordination

Agency sequences capacity-reducing projects in their domain to ensure that sufficient

alternative route capacity is available to travelers at all times.

1.3.2 Regional Alternative Route Coordination during Construction

Multiple agencies sequence capacity-reducing projects in their region to ensure that

sufficient alternative route capacity is available to travelers at all time.

1.4 - Day-to-Day Operational Coordination to Avoid Multiple Capacity Restrictions at the Same Time

1.4.1 Agency Capacity Restriction Coordination

Agency coordinates construction and maintenance activities to minimize traffic impact.

1.4.2 Agency Maintenance Contract Coordination

Agency coordinates maintenance contract activities to minimize traffic impact.

1.4.3 Agency Vertical Construction Coordination

Agency coordinates vertical construction closures, agency construction, and/or

maintenance to minimize traffic impact.

1.5 - Day-to-Day Operational Coordination to Reduce the Number of Lane Closures Over Time on a Roadway Segment

1.5.1 Agency Maintenance, Construction, and Utility Schedule Coordination

Agency coordinates maintenance, utility, and construction contracts in a region on a

given roadway segment to minimize traffic impact.

1.5.2 Pavement Cut Coordination

Agency coordinates maintenance, utility, and construction contracts in a region on a

given roadway segment to minimize pavement cuts.

1.6 - Day-to-Day Operational Coordination With Permitting Office of Oversize Vehicle Approvals

1.6.1 Oversize Vehicle Route Coordination

Agency coordinates with permitting office about planned work zone activities that

impact oversize vehicles.

WZDI Use Case Categories

Coordination

Monitoring

Providers

2.1 - Estimating Expected Impacts for a Single Work Zone

Category 2: Work Zone Impact Analyses

2.1.1 Work Zone Mobility Impact Assessment

Agency analysis of expected mobility impacts of a single work zone.

2.1.2 Work Zone Safety Impact Assessment

Agency analysis of expected safety impacts of a single work zone.

2.1.3 Assessment of Expected Effects of Alternative TMP Mitigation Strategies

Agency analysis to compare the expected safety and/or mobility benefits of alternative

TMP strategies.

2.2 - Estimating Expected Combined Impacts of Multiple Work Zone

Category 2: Work Zone Impact Analyses

2.2.1 Corridor Mobility Impact Assessment

Regional analysis of expected mobility impacts along a corridor with multiple work zones.

2.2.2 Network Mobility Impact Assessment

Regional analysis of expected mobility on a transportation network with multiple work

zones.

Coordination

Monitoring

Providers

3.1 - Monitor Compliance with Contractual WZAD-Related Requirements

Category 3: Construction and Maintenance Contract Monitoring

3.1.1 Short-term Lane Closure Advance Notice Monitoring

Track compliance with Short-term Lane Closure Advance Notice requirements.

3.1.2 Short-term Lane Closure Allowable Hours Monitoring

Track compliance with Short-term Lane Closure Allowable Hours requirements.

3.1.3 Allowable Lane Closures Monitoring

Track compliance with Allowable Lane Closures requirements

3.2 - Monitor Compliance to Performance-Based Safety and Mobility Specifications

3.2.1 Traffic Safety Performance Incentive

Use WZAD with safety data to verify the specification is met

3.2.2 Travel Delay Performance Incentive

Use WZAD with mobility data to verify the specification is met

3.2.3 Coordination Performance Requirements

Use WZAD with mobility data to verify that specification is met across multiple projects

3.3 - Identifying Field Modifications to Project Plans

3.3.1 Documenting Field Modifications to Project Plans

Documenting Field Modifications to Project Plans.

3.4 - Document Changes in Infrastructure Asset Location, Availability Due to Work Activities

3.4.1 Document Changes in Infrastructure Asset Location, Availability Due to Work

Activities

Document Changes in Infrastructure Asset Location, Availability Due to Work Activities.

3.4.2 Document Traffic Signal Timing Changes

Document Traffic Signal Timing Changes.

Coordination

Monitoring

Providers

4.1 - Use by TMCs/Agencies to Manage Facility Operations

Category 4: Real-Time System Management and Traveler Information Provision

4.1.1 Advance and Real-Time ITS and DMS Lane Closure Traveler Information

Agency disseminates advance lane closure traveler information.

4.1.2 Advance and Real-Time ITS and DMS Detour Traveler Information

Agency disseminates advance detour traveler information.

4.2 - Third-Party Dissemination of Information to Travelers and Others

4.2.1 Work Zone Plan Dissemination to 3rd Party Data Providers

Agency disseminates advance traveler information to third-party traveler information

providers.

4.2.2 Work Zone Plan Dissemination to Public

Agency disseminates long-term work zone traveler information with several temporary

changes to lane usage, turning movement prohibitions, reduced speed limits, etc.

4.3 - Smart Work Zone Deployment and Operation

4.3.1 Adjustments to Smart Work Zone Deployment

Agency may alter the location of equipment and the algorithms governing the operation

of a Smart Work Zone system as work progresses

4.3.2 Incorporation of Smart Work Zone Deployment Information Outputs into

Agency and 3rd-Party Traveler Information Efforts

Agency could broaden the use of Smart Work Zone system data through existing agency

and 3rd-party traveler information systems.

Coordination

Monitoring

Providers

5.1 - Computing/Monitoring Performance Measures at a Project Level

Category 5: Safety and Mobility Performance Measurement

5.1.1 Work Zone Mobility Performance Assessment

Agency analysis of individual work zone mobility performance.

5.1.2 Work Zone Safety Performance Assessment

Agency analysis of individual work zone safety performance.

5.1.3 Work Zone Mitigation Strategy Effectiveness Assessment

Agency analysis of the effect of implementing a strategy to address a specific mobility or

safety issue (such as excessive speeding).

5.2 - Computing/Monitoring Performance Measures at a Regional/Programmatic Level

5.2.1 Regional Assessments of Work Zone Mobility Performance Targets

Agency analysis of collective compliance of multiple work zones in a region to established mobility performance target thresholds.

5.2.2 Computing Average Work Zone Safety Performance Measures by Region, Type of Project, Roadway Type, or other Stratification

Agency analysis of collective work zone safety performance for specific types of projects in a

region

5.2.3 Computing Regional Crash Modification Factors for Specific Work Zone Features, Activities or Strategies

Agency analysis to determine a crash modification factor for a specific work zone feature.

5.3 - Assessing and Enhancing Performance at the National Level

5.3.1 Developing National Work Zone Safety and Mobility Improvement Guidance

Guidelines for improving local, regional, and national safety and mobility performance.

5.3.2 Developing Reports of Regional and National Work Zone Safety and Mobility

Performance

Regional and national safety and mobility performance.

Coordination

Monitoring

Providers

6.1 - Validate Cited Condition(s) of Traffic Violations

Category 6: Law Enforcement and Emergency Service Providers

6.1.1 Worker Present in Work Zones Documentation

Times and locations are documented and archived to support contested citations.

6.1.2 Posted Speed Limits Documentation

Times and locations of posted speed limit changes in work zones are documented and

archived.

6.2 - Enforcement of Lane Closure/ROW Access Approval Process

6.2.1 Enforcement of Lane Closure/ROW Access Approval

Where lane closure approvals are required by an agency, documentation and access of

approval information can assist law enforcement

6.3 - Monitor and Document Law Enforcement Use on Projects

6.3.1 Monitor and Document Enforcement Use

Track usage of work zone enforcement support (for agencies with LE MOUs in place)

6.3.2 Assess Law Enforcement Work Zone Effectiveness

Documentation of when and where enforcement is present can assist with assessing its

effectiveness upon safety and mobility

6.4 – Facilitate Law Enforcement Work Zone Planning

6.4.1 Monitor Work Zone Law Enforcement Needs

Provide planned WZAD to law enforcement agencies to assist in their planning efforts to

provide support

6.5 – Law Enforcement Monitoring Activity at Work Site to Deter Theft

6.5.1 Law Enforcement Work Site Monitoring

WZAD about contractors/subcontractors and scheduled work days can be used by law

enforcement to monitor work sites to deter thefts

6.6 – Restricted Access to Incidents

6.6.1 First Responder Emergency Route Planning

WZAD can be used to inform first responders of work zone locations and restrictions to

enable advance emergency route planning

Coordination

Monitoring

Providers

7.1 - Alert/Inform CAV of Presence of Work Zones

Category 7: CAV Hardware Needs and System Readiness to Accommodate

7.1.1 Dissemination of Work Zone Beginning and End to CAV

WZAD about beginning, end, advisory, and warning data of work zone obtained by CAV

for dissemination to the driver

7.2 - CAV Navigation (Information to Plan and Execute Trip)

7.2.1 CAV Route Navigation Selection

WZAD used by CAV to plan, recommend, and execute route through or around a work

7.3 - CAV Lane Guidance

7.3.1 CAV Lane Guidance (Safe Speed and Travel path Guidance)

WZAD used by CAVs to make lane-level travel decisions through work zone

Advancing Work Zone Activity in

Colorado

CODOT Focus Areas

• Based on what’s been discussed today…

• Agency interest areas?

• Agency priorities?

Data Uses

• What is working well?

• What isn’t?

• What would you like to add?

Data Uses - Agency Strengths

No. Description

Data Uses - Agency Challenges and Opportunities

No. Description

Data Uses - Agency Wish List

No. Description

Priorities

• Near Term Actions

• Intermediate Considerations

• Long Term Goals

Data Use Priorities

No. PriorityNear, Mid, or

Long-Term

Priorities – Data Flows

For each priority…

• Data collection?

• Uses?

• Outcomes?

• Dependencies?

• Stakeholders?

• Downstream users?

• Other?

Review of Actions

• Actions are concrete steps an agency can take –action oriented, not too prescriptive or generic

• Not all actions need to be implemented now –can prioritize actions as part of planning efforts

62This Photo by Unknown Author is licensed under CC BY-ND

Key Considerations

• Who are your champions?

• What resources are available?

• What existing forums/mechanisms are in place to utilize?

• What existing initiatives are in place to utilize?

• Quick wins vs. Longer-Term outcomes?

CODOT Actions

No. Action Description Assigned toExisting

ResourcesTimeframe

Next Steps

• Finalize action plan

• Follow up with Colorado DOT on implementation

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