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Scan 07-01
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Best Practices in Project Delivery Management
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Considered particularly organizational factors (e.g., degree of centralization or
decentralization in agency management) that influence agencies’ abilities to reliably
deliver projects on time and within budget.
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Final Scan
Team Report (12 Mb PDF file)
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Scan 07-02
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Best Practices in Accelerated Construction Techniques
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Focused on actual construction operations and management practices rather than contractual or
other incentives to develop and apply such practices.
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Final Scan
Team Report (19 Mb PDF file)
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Scan 07-03
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Best Practices in Winter Maintenance
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Included operating methods, equipment and materials that improve the efficiency and
effectiveness of snow and ice control operations, considering local government as well as
state DOT experience.
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Final Scan
Team Report (20 Mb PDF file)
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Scan 07-04
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Best Practices in Regional, Multi-Agency Traffic Signal Operations Management
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Addressed particularly the interactions of agencies at local, regional, and state levels to
ensure effective traffic operations and system maintenance.
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Final Scan
Team Report (2 Mb PDF file)
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Scan 07-05
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Best Practices in Bridge Management Decision-Making
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Addressed how decisions are being made about routine maintenance and major rehabilitations
and reconstructions to minimize traffic disruptions and control agency life-cycle costs.
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Final Scan
Team Report (3 Mb PDF file)
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Scan 08-01
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Best Practices in Managing STIPs, TIPs, and Metropolitan Transportation Plans (MTPs) in
Response to Fiscal Constraints
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Considered how state and metropolitan agencies address institutional and technical issues in
identifying and applying fiscal constraints to modify their highways system plans.
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Final Scan
Team Report (1.4 Mb PDF file)
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Scan 08-02
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Best Practices in Maximizing Traffic Flow on Existing Highway Facilities
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Considered such techniques as applications of ITS technology, uses of shoulders and lane
reversals, and pricing, that may be used to alleviate congestion.
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Final Scan
Team Report (2.4 Mb PDF file)
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Scan 08-03
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Best Practices in Addressing NPDES and Other Water Quality Issues in Highway System
Management
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Considered the perspectives of both environmental protection and transportation agencies in
identifying effective practices for ensuring compliance with regulations and achievement of
broader objectives.
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Final Scan
Team Report (4 Mb PDF file)
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Scan 08-04
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Best Practices in Work Zone Assessment, Data Collection and Performance Measurements
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Addressed traffic monitoring and management practices in and around work zones to ensure
safety and minimize congestion.
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Final Scan
Team Report (4 Mb PDF file)
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Scan 09-01
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Best Practices in QC/QA of Design Plans
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Examined policies and procedures used to ensure high quality highway and bridge designs.
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Final
Scan Team Report (6 Mb PDF file)
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Scan 09-03
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Best Practices in Solutions for Lane Departure Avoidance and Traffic Calming
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Reviewed innovative traffic-calming and speed-reducing measures deployed on non-freeway
highways at or approaching locations and situations where lower speeds are critical to
safety.
|
Final Scan
Team Report (5 Mb PDF file)
|
|
Scan 09-04
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Best Practices In Successful Strategies for Motorcycle Safety
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Examined infrastructure- and behavior-related countermeasures and program strategies that
reduce motorcycle fatalities.
|
Final Scan
Team Report (4.4 Mb PDF file)
|
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Scan 09-05
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Best Practices for Roadway Tunnel Design, Construction and Maintenance
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Identified specialized technology and standards (such as NFPA 502 standards and others) used
in monitoring or inspecting structural elements and operating equipment to ensure optimal
performance and minimize downtime during maintenance or rehabilitation.
|
Final Scan
Team Report (3.3 Mb PDF file)
|
|
Scan 10-01
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Best Practices for Risk-Based Forecasts of Land Volatility for Corridor Management and
Sustainable Communities
|
Identified information and analysis tools agency officials can use to identify corridors
subject to risk of development and land-use volatility, assisting officials to take timely
action to achieve livable communities and preserve transportation corridors.
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Final Scan
Team Report (3.7 Mb PDF file)
|
|
Scan 10-02
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Best Practices for Addressing Access and Parking Needs of Non-Resident Users of Rail and
Intermodal Transportation Stations in Transit-Oriented Developments
|
Identified practices to accommodate growth in demand for access to rail and transit services
while preserving the principles and benefits of transit-oriented developments.
|
Final Scan
Team Report (2.3 Mb PDF file)
|
|
Scan 10-03
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Best Practices in Performance Measuring for Highway Maintenance and Preservation
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Identified effective performance measures and measurement and reporting systems supporting
strategic decision making by officials responsible for highway maintenance and preservation.
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Final Scan
Team Report (2.6 Mb PDF file)
|
|
Scan 10-04
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Best Practices Supporting Traffic Incident Management (TIM) through Integrated Communication
Between Traffic Management Centers and Law Enforcement and Effective Performance-Measurement
Data
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Examined TIM practices in regions that have integrated communication between traffic
management centers and law enforcement and implemented effective performance-measurement
data collection, with particular regard for adoption of CAD and related technology; and the
perspectives of transportation, law enforcement, and other incident-response agencies on
these practices.
|
Final Scan
Team Report (2.9 Mb PDF file)
|
|
Scan 11-01
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Leading Practices Large-Scale Outsourcing and in Privatization of Maintenance Functions
|
Focused on agencies’ experience with outsourcing of significant elements of their
maintenance activities, considering contractual arrangements, actual maintenance
operations and management practices employed, and consequences for resource utilization and
system performance.
|
Final Scan
Team Report (2.9 Mb PDF file)
|
|
Scan 11-02
|
Best Practices Regarding Performance of ABC Connections in Bridges Subjected To Multi-Hazard
and Extreme Events
|
Identified domestically-used ABC connection details—Accelerated Bridge Construction
(ABC) practices, used to reduce the time and sometimes costs—that perform well under
extreme event loading such as those experienced by bridges subjected to waves and tidal or
storm-surges, seismic events, and other large lateral forces. The scan was planned to
augment results of the 2004 FHWA/AASHTO/NCHRP International Scan on Prefabricated Bridge
Elements and Systems.
|
Final Scan
Team Report (3.2 Mb PDF file)
|
|
Scan 12-01
|
Advances in State DOT Superload Permit Processes and Practices
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Investigated how states' permitting and bridge offices are responding to ever-increasing
Superloads and, in particular, applying AASHTO Load and Resistance Factor Rating (LRFR)
provisions for permits.
|
Final Scan
Team Report (5.1 Mb PDF file)
|
|
Scan 12-02
|
Advances in Strategies for Implementing Integrated Corridor Management (ICM)
|
Examined ICM implementation experience in DOTs, MPOs and other transportation organizations
in states such as Florida, New York, Utah, Texas, and Washington, to understand how agencies
are working to maximize traffic flow on existing facilities by using all available pavement
and applying new technologies and better management techniques to reduce both recurring and
non-recurring congestion. The scan will consider, for example, staffing policies and
practices, interagency budgeting and cost distribution, investment project planning and
funding procedures, incident response procedures, service outsourcing, and performance
monitoring and reporting, as well as applications of technologies for monitoring
traffic operations and supporting rapid and reliable incident detection and response.
|
Final Scan
Team Report (5.7 Mb PDF file)
|
|
Scan 12-03
|
Advances in Safety Program Practices in “Zero-Fatalities” States
|
Examined practices in jurisdictions that have adopted “zero fatalities” highway
safety goals to learn how the goal influences agency management philosophy and public
attitudes and the practical consequences of the goal for Strategic Highway Safety Plans
development, implementation, and performance monitoring.
|
Final Scan
Team Report (4 Mb PDF file)
|
|
Scan 12-04
|
Advances in Transportation Agency Knowledge Management
|
Examined how agencies have begun to formalize their information sharing, coaching, and other
knowledge management practices to ensure that their staffs continue to maintain proficiency
in providing a high level of service within their jurisdiction. The scan examined such
cases to learn what practices are particularly effective, what characteristics of the agency
and workforce influence the effectiveness of various knowledge management practices, and
useful strategies for selecting and implementing effective practice.
|
Final Scan
Team Report (3.7 Mb PDF file)
|
|
Scan 13-01
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Leading Management Practices For Developing A Cross-Trained Workforce
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Investigated how agencies are using workforce cross-training as a strategy for enhancing
agency efficiency and agility in adapting to changing missions, priorities and budgets; and
the conditions under which cross-training strategies are applicable and appropriate.
|
Final Scan
Team Report (3 Mb PDF file)
|
|
Scan 13-02
|
Advances in Civil Integrated Management (CIM)
|
Explored how CIM technologies are being used in transportation projects; the partnering
efforts among DOTs, consultants, contractors, and materials suppliers that may accompany CIM
utilization; and project characteristics (for example, program size, degree of management
centralization, use of outsourcing) that may influence CIM effectiveness.
|
Final Scan
Team Report (3.1 Mb PDF file)
|
|
Scan 13-03
|
Leading Practices in Use of fiber-reinforced polymer (FRP) Composites in Transportation
Infrastructure
|
Reviewed leading-edge applications in transportation structures and other areas of practice
adaptable to transportation, considering agencies' experiences with project development and
facility performance.
|
Final Scan
Team Report (5 Mb PDF file)
|
|
Scan 14-01
|
Leading Management Practices in Determining Funding Levels for Maintenance and Preservation
|
Investigated funding allocation practices within transportation agencies that have
successfully ensured reliably adequate funding to support delivery of efficient and
effective maintenance programs. A peer exchange subsequently was held to encourage
dissemination and application of the scan team’s findings, with funding support from
NCHRP Project 20-44, “Moving Research into Practice.” A summary of survey data
shared during the peer exchange is available for download by clicking
here (300 Kb PDF file); the full report of the peer exchange is available by clicking
here (1 Mb PDF file).
|
Final Scan
Team Report (3.6 Mb PDF file)
|
|
Scan 14-02
|
Successful Intermodal Corridor Management Practices for Sustainable System Performance
|
Examined practices in DOTs, MPOs and other jurisdictions where corridor management has been
taken beyond the concept of integrating technical operational capabilities to optimizing the
potential contributions for a variety of modes within corridors.
|
Final Scan
Team Report (4.5 Mb PDF file)
|
|
Scan 14-03
|
Successful Approaches for the Development of an Organization-wide Safety Culture in
Transportation Agencies
|
Examined organizations that have designed and implemented strategic safety-culture
transformation programs to consider experience applicable to enhance highway
safety.
|
Final Scan
Team Report (4 Mb PDF file)
|
|
Scan 15-01
|
Developing and Maintaining Construction Inspection Competence
|
Investigated how transportation agencies are using training and other methods to develop and
maintain their construction inspectors’ competence as construction materials and
methods and the labor force evolve.
|
Final Scan
Team Report (4 Mb PDF file)
|
|
Scan 15-02
|
Bridge Scour Risk Management
|
Examined successful applications of vulnerability assessment, countermeasures, and monitoring
systems to reduce bridge-scour risk.
|
Final Scan
Team Report (8 Mb PDF file)
|
|
Scan 15-03
|
Preservation Practices for Steel Bridge Coatings
|
Investigated leading practices for corrosion mitigation through coating management and
recoating and associated management of environmentally hazardous materials.
|
Final
Scan Team Report (3 Mb PDF file)
|
|
Scan 16-01
|
Leading Practices in the Use of the Highway Safety Manual for Planning, Design and Operations
|
Assessed the processes, job aids and tools, workforce training, and manner in which agencies
have institutionalized the Highway Safety Manual as part of performance based and asset
management processes in planning, design and operations.
|
Final Scan
Team Report (6 Mb PDF file)
|
|
Scan 16-02
|
Leading Landscape Design Practices for Cost-Effective Roadside Water Management
|
Reviewed recent experience with green infrastructure practices for roadside water management
to identify planning and design criteria, management practices, and exemplary applications
that may be broadly useful in transportation agencies nationwide.
|
Final Scan
Team Report (22 Mb PDF file)
|
|
Scan 17-01
|
Successful Approaches for the Use of Unmanned Aerial Systems by Surface Transportation
Agencies
|
Investigated how agencies and their contractors are using UAS to facilitate inspection,
inventory, survey, and other facility operations and dealing with regulatory and other
impediments to UAS deployment.
|
Final Scan
Team Report (37 Mb PDF file).
|
|
Scan 17-02
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Successful Approaches to Accommodate Additional Modes and Services in Existing Right Of Way
|
Explored how agencies are accommodating transit, high occupancy vehicles, bikes, freight or
enhanced pedestrian access within existing highway rights of way.
|
Final
Scan Team Report (22 Mb PDF file)
|
|
Scan 17-03
|
Experiences in the Performance of Bridge Bearings And Expansion Joints Used For Highway
Bridges
|
Investigated leading practices for monitoring, inspection, testing, and remediation of
bearings and expansion joints and implications of damage and repair experience for design.
|
Final Scan Team
Report (11 Mb PDF file)
|
|
Scan 18-01
|
Hydro-demolition for Partial-Depth Removal of Bridge Decks
|
Examined bridges undergoing hydro-demolition as well as bridges that have undergone past hydro-demolition deck replacements to study both the hydro-demolition process and long term performance of bridges that have been subject to a partial deck replacement.
|
Final Scan Team
Report (4 Mb PDF file)
|
|
Scan 18-02
|
Leading Practices in Modifying Agency Organization and Management to Accommodate Changing Transportation System Technologies
|
Investigated how DOTs are changing their organizations, institutional arrangements, and management practices to improve transportation system performance through adoption of new technologies.
|
Final Scan Team
Report (4 Mb PDF file)
|
|
Scan 19-01
|
Leading Practices for Detailing Bridge Ends and Approach Pavements to Limit Distress and Deterioration
|
Explored practices and tools for selection of appropriate details for use at the ends of bridges to achieve a jointless structure while minimizing the structural distress, maintenance and repair costs and improving the performance and durability of jointless bridges.
|
Final Scan Team
Report (11 Mb PDF file)
|
|
Scan 19-02
|
Leading Practices in Strategic Workforce Management
|
Examined innovative strategic workforce management strategies DOTs are implementing, particularly those activities that can be quickly adopted and implemented to recruit, develop, and retain the workforces agencies need today and for the future.
|
Final Scan Team
Report (6 Mb PDF file)
|
|
Scan 20-01
|
Successful Approaches to Utilizing Bridge Management Systems (BMS) for Strategic Decision Making in Asset Management Plans
|
Explored how agencies effectively integrated BMS data into their transportation asset-management plans (TAMP) to preserve and improve the condition of the assets and the performance of their system.
|
Final Scan Team Report (13 Mb PDF file)
|
|
Scan 20-02
|
Successful Approaches for Facilitating Truck Parking Accommodation Along Major Freight Corridors
|
Examined the roles and actions of transportation agencies, partners, and the public in applying successful strategies, developing emerging practices, and useful lessons to help address truck parking issues along major freight corridors within their jurisdictions.
|
Final Scan Team Report (3 Mb PDF file)
|
|
Scan 21-01
|
Lessons of Agency Resilience During Periods of Disruption
|
Identifies the most innovative and beneficial elements of practices adopted by state transportation agencies to maintain their productivity and system performance during disruptions to “normal” operations caused by the global COVID-19 pandemic or other major events, particularly as those practices have enhanced agency resilience and are likely to strengthen agencies’ adaptability if confronted by future disruptions.
|
Final Scan Team Report (19 Mb PDF file)
|
|
Scan 21-02
|
Leading Approaches to Implementing Context-Based Classification of Roadways in Planning and Design
|
Examined the experiences of state transportation agencies that have led in applying the concept of context-based classification of roadways, introduced in the 7th edition of the AASHTO A Policy on Geometric Design of Highways and Streets (Green Book), to extract lessons learned that may be valuable to others who have not yet implemented context-based classification.
|
Final Scan Team Report (3 Mb PDF file)
|
|
Scan 21-03
|
Successful Approaches to Setting Project Development Budgets
|
Explored the procedures and experience of state transportation agencies viewed by their peers as having particularly successful procedures for setting project development budgets, to extract lessons that may be adapted to other agencies and applied to direct further improvements of budget estimation practices nationwide.
|
Final Scan Team Report (3 Mb PDF file)
|
|
Scan 22-01
|
Recent Leading Innovations in the Design, Construction and Materials Used for Concrete Bridge Decks
|
Seeks to identify lesson learned from construction of bridge deck projects that utilize innovative materials and strategies, which will help States to consider future approaches to design of new bridge decks to provide better durability and service life of those decks .
|
Ongoing
|
|
Scan 22-02
|
Experiences in the Use of Digital Construction Management in the Highway Industry
|
Seeks to identify the successful construction management processes utilized by states deploying innovative DCM practices and to document how the DCM was adopted, its governing architecture, value added by it’s use, and how others may accelerate the adoption of the proven innovation.
|
Ongoing
|
|
Scan 22-03
|
Leading Practices in Equitable Decision Making to Supports Societal Goals within Transportation Agencies
|
Explores the methods that transportation organizations took to implement innovative strategies throughout their organization to improve safety and equity in transportation decision making, the specific organizational factors that lead to successful organizational mission implementation aimed at advancing societal goals, the methods that the organization successfully used with stakeholders to implement new strategies, and the information on what socioeconomic and sociodemographic metrics are being used by agencies in transportation funding decisions and project prioritization.
|
Ongoing
|
|
Scan 23-01
|
Experiences in the Use of Mini and Modular Roundabouts by Highway Agencies
|
Explores the experiences and lessons learned gained in leading states that may be valuable to others who may be considering using mini or modular roundabouts. The scan team will meet with innovative agencies that have utilized mini- and/or modular roundabouts and discuss their experiences in design, construction, operation, and maintenance of them to.
|
Ongoing
|
|
Scan 23-02
|
Recent Experiences in Advancing and Deploying of Automated Vehicle Technologies
|
Enables state DOTs and IOOs to gain critical and much needed knowledge to better understand the methods, barriers and opportunities associated with automated technology testing and pilots that are needed now. The scan team will be tasked to review the experience of DOTs or other agencies by examining a representative sample of ADS tests, pilots, and deployments that have been notably successful to explore the institutional and management changes credited for the success and to extract lessons that can inform other agencies’ development.
|
Ongoing
|
|
Scan 23-03
|
Advances in Evaluation of Weld Quality
|
Examines the state of the art of in-process weld inspection and the resulting quality assurance used for ship building and heavy equipment manufacturing. The scan team will investigate the processes and controls used to produce quality welds in other that highway industries. The scan team will examine the equipment involved in weld inspection and quality assurance, the specifications used for equipment requirements and quality control procedures and calibration of the equipment to the appropriate quality standards.
|
Ongoing
|
|
Scan 23-04
|
Developing and Maintaining a Culture of Innovation within DOTs
|
Examines organizations that have successfully designed and implemented programs and/or initiatives that support a culture of innovation. The results of this scan would be used by AASHTO, FHWA and state DOTs as well as others in the transportation community who are interested in accelerating innovation within their organizations and building a culture that embraces it.
|
Ongoing
|
|
Scan 23-05
|
Successful Approaches to Validating and Communicating the Long-term Effects of Aging Government Fleet Assets
|
Examines organizations that have successfully developed and implemented practices and procedures to estimate the cost of delayed replacement of DOT Fleet Assets beyond the optimal replacement period and to gather data that might be used to develop decision making tools and models that can effectively communicate the long-term effects of aging the Fleet Assets to decision makers.
|
Ongoing
|