SCHOOL STARTS MAJOR NEW ITS RESEARCH PROGRAM UNDER FHWA SPONSORSHIP

FHWA has recently awarded the School of Public Policy a four-year, $1.2 million grant to conduct research on ITS regional integration. The transportation research team will study six topics.

Sub-regional impacts of congestion
Developing an ITS industry in the National Capital Region
ITS and the Planning Process
Telecommunications and ITS Infrastructure Security
Homeland Security Applications of CapWIN
Pricing ITS

ITS ResearchCompleted reports have link to the report.

Asset management. Dr. Jonathan Gifford. Identifies how the emerging discipline of asset management, which has wide-ranging applications in the transportation area, can be of specific use to ITS.

Callbox evaluation. Dr. Ken Button. Evaluates the cost effectiveness of callboxes along the Dulles toll road.

Elected officials attitudes towards ITS. Dr. Brien Benson. Surveys elected officials in Northern Virginia to identify what they consider most useful about ITS.

Electronic payment, transaction costs, and transit security. Dr. Jonathan Gifford. Analyzes the degree to which transit electronic payment systems can promote homeland security, for example, facilitating rapid movement of travelers onto transit in times of crisis.

Homeland security applications of CapWIN. Dr. Mark Thibault. Explores the institutional issues of finance and governance in adapting CapWIN (Capital Area Wireless Integrated Network) to new homeland security demands.

ITS and the planning process. Dr. Roger Stough. Explores how the transportation planning process can be adapted to accommodate the particular requirements of ITS.

ITS, the schools, and homeland security. Dr. Kenneth Button. Explores ways in which ITS can be used to help prepare elementary and high schools for response to a possible terrorist attack.

N11. Dr. Roger Stough. Recommends strategy for deploying in Virginia the traffic information telephone number 511.

Pricing ITS. Dr. Kenneth Button. Explores the theoretical and applies aspects of pricing in ITS applications, for example, on HOT lanes (High-occupancy/Toll lanes)

Road pricing. Dr. Ken Button. Identifies those situations where it is politically feasible to institute road (value) pricing, with its great opportunity to achieve economic efficiencies

Telecommunications and ITS infrastructure security. Dr. Laurie Schintler. Examines the degree to which ITS relies on telecommunications infrastructure, and specific vulnerabilities in case of a possible terrorist attack.

Telework. Dr. Roger Stough. Identifies a strategy for public policy towards telework in Northern Virginia that will have optimal impact on travel patterns in the region.

Travel time postings on variable message signs. Dr. Brien Benson. Surveys motorists in the Washington, D.C. region about their preferences for the posting of travel times on variable message signs along the I-66 corridor in Northern Virginia.

I-66 Integration model. Dr. Laurie Schintler. Calibrates the Integration traffic model to the I-66 corridor in Northern Virginia, and then applies it for planning purposes, with the objective of showing the value of ITS.

 

PLANNING

Abnormal event traffic forecasting. Dr. Brian L. Smith. Improves nonparametric regression forecasting approach during abnormal traffic events (such as incidents).

Automated identification of traffic patterns. Dr. Brian L. Smith. Develops and evaluates procedures for automated identification of patterns from large traffic datasets, and to investigate an alternative paradigm for archiving ITS data.

Disparate transportation data integration. Dr. William T. Scherer. Improves UVA Smart Travel Lab database management through cooperation with the University of Virginia Library's multi-discipline archiving initiative.

Emissions measurement. Dr. Hesham Rakha. Refines three aspects of measuring vehicle emissions. 1) converting emissions concentration measurements to emissions rates; 2) devising techniques to account for the lag between speed/acceleration measurements and tailpipe emission measurements; 3) devising techniques for screening high emitting vehicles.

Emissions modeling. Dr. Hesham Rakha. Models vehicle emissions at a more precise level than has been done before, taking into account acceleration and idling.

I-77/I-81diversion modeling. Dr. Hesham Rakha. Using a micro-simulation modeling of the network, quantifies the diversion impacts of separating the I-77/I-81 overlap.

IDAS as a prioritizing tool. Dr. B. Brian Park. Assesses the feasibility of IDAS program for the ITS evaluation. Assess the feasibility of IDAS program for the ITS evaluation

ITS infrastructure maintenance management. Harry Teng.. Evaluates the existing ITS infrastructure maintenance management

Identification of traffic patterns leading to crashes. Dr. Nicholas Garber. Identifies the patterns of interactions of the traffic characteristics that lead to all crashes and that led to specific types of crashes.

Incident capacity estimation. Dr. Brian L. Smith. Improves understanding of the capacity reductions that result from incidents

Incident duration forecasting. Dr. Brian Smith. Updates and improveds standard estimates for incident delays on basis of number of lanes closed.

Modeling of vehicle crash causes. Dr. Nicholas J. Garber. Develops mathematical relationships that describe the combined influence of traffic speed and road geometric characteristics on crash occurrence.

Naturalistic driving study. Vicky Neale. Studies driver reactions to crashes, using cameras installed in test vehicles.

Optimization of coordinated actuated signal timing. Dr. Brian Park. Develops a methodology for optimizing coordinated actuated signal system.

Regional pedestrian activity measurement. Dr. Aaron Schroeder. Develops a detailed understanding of what would be required to undertake a wearable technology pedestrian survey and to establish, as a foundation, the next step of technology prototyping.

Rubbernecking impact of incidents. Dr. Harry Teng. Investigates the impacts of incidents on the traffic in the opposite direction of incidents

Speed/headway influence on crashes. Dr. Brian Park. Investigates real-time safety surrogate measures and evaluate the proposed measures with field data and historical crash records.

Traffic forecasting: non-parametric regressions. Dr. William T. Scherer. Improves short-term traffic forecasting by non-parametric regressions.

VMT estimation based on ITS data. Dr. Harry Teng. Improves estimation of VMT by combining with ITS data

Wireless testing protocols. Dr. Aaron Schroeder. Develops hardware and software tools to measure wireless bandwidths. Types of traffic include file data, Voice over IP, and streaming video.

OPERATIONS

Accident management using wireless networks. Dr. William T. Scherer. Designs, tests, and evaluates a wireless network that integrates disparate transportation components for improved system operation following vehicle accidents.

Adaptive signals decision support system. Dr. Brian L. Smith. Develops decision support system for adaptive traffic signals.

Blacksburg ATMS. Dr. Hesham Rakha. Builds an advanced traffic management system in the Blacksburg, Virginia, area.

Cellphone probes as an ATMS tool. Dr. Brian L. Smith. Investigates the feasibility of using wireless probe data to support transportation management applications.

CVISN data uses. Dr. Michael J. Demetsky. Investigates whether CVISN can be extended to additional applications by using existing data.

Dynamic Roadway Travel Time Estimation. Hesham Rakha. Develops an integrated multi-modal (car, buses and pedestrians) advanced traveler information system for deployment in the Virginia rural city of Blacksburg.

I-81 tolling options. Dr. Hesham Rakha. Evaluates options for adding to I-81 capacity using toll-generated revenue, with appropriate consideration of VDOT plans for the corridor.

I-81 video systems. Dr. Aaron Schroeder. Designs a video data collection system on a section of I-81, and deploy several cameras along the corridor.

Integrating Transit Signal Priority and Adaptive Traffic Signal Control. Dr. Hesham Rakha. This project aims at evaluating the benefits of integrating transit signal priority logic within state-of-the-art adaptive traffic signal control systems, using Columbia Pike in Northern Virginia as a case study.

Intelligent Vehicle Initiative vehicles. Dr. Tom Dingus. Applies human factors analysis to in-vehicle ITS applications being sponsored under U.S. DOT's Intelligent Vehicle Initiative program.

Low-cost adaptive signals. Dr. William Scherer. Develops low-cost, easy to implement, hybrid Time-of-Day (TOD) and Adaptive Control procedure for data-driven signal timing.

Parking management. Dr. Hesham Rakha. Develops an ITS parking management system

Route 460 wireless network. Dr. Aaron Schroeder. Tests the feasibility of using wireless communications as a backbone for traffic information and management systems.

*Signal prioritization. Dr. John Collura. Assists the Washington D.C. region in considering the use of advanced technologies to implement signal preemption and other vehicle priority strategies along signalized arterials in the Washington, D.C. region. part 1   part 2

Signal system data mining. Dr. Brian L. Smith. Develops a prototype data warehouse and data mining applications, with the objective of demonstrating the value of saving traffic data and potential applications.

Signal timing algorithm. Dr. B. Brian Park. Develops a stochastic optimization algorithm for actuated signal control.

Transportation data clearinghouse. Aaron Schroeder. Establishes a data clearinghouse with wide-ranging potential applications.

Transportation infrastructure security monitoring. Dr. William Scherer. Assembles resources of UVA's Smart Travel Center to support CapWIN.

Travel Virginia. Dr. Aaron Schroeder. Develops a strategy for making available to Virginia travelers a full range of traveler services under the aegis of a single, unified advanced traveler information systems.

Truck stop information. Dr. Nicholas Garber. Facilitates provision of adequate truck rest areas along Virginia interstate highways in order to diminish a serious safety problem.

VDOT surveillance needs. Dr. Hesham Rakha. Evaluates technologies for providing real-time travel time information using VDOT's current advanced traveler information systems. part 1   part 2

Wet weather signalization. Dr. Michael Demetsky. Examines how to adapt traffic signal timing to optimize traffic flow during rainy or snowy conditions.

EVALUATION

Application of U.S. DOT evaluation guidelines. Dr. Michael J. Demetsky. Proposes an ITS evaluation methodology consistent with U.S. DOT guidelines

CapWIN evaluation. Dr. Brian Smith. Evaluates CapWIN (Capital area Wireless Integrated Network) in its early stages of development.

Cost/benefit analysis for ITS: CORSIM. Dr. William T. Scherer. Develops an evaluation methodology for ITS projects that is based on the CORSIM traffic model.

DynaMIT evaluation. Dr. Brian Park. Evaluates and proposes improvements to an ITS evaluation tool, DynaMIT.

Evaluation of advanced traffic signal controllers. Dr. Brian Park. Evaluates features of advanced traffic signal controllers using hardware in-the-loop simulation and develops practical guidelines for adopting/using advanced controllers.

Hampton Roads ATIS evaluation. Dr. Michael Demetsky. Evaluates the Hampton Roads, Virginia, advanced traveler information system in accordance with U.S. Federal Highway Administration guidelines

Hampton Roads simulation. Dr. Brian Park. Establishes simulation model of traffic in Hampton Roads to test the impact of various traffic management strategies.

Sensor evaluation. Dr. Brian L. Smith. Develops ITS data quality assurance procedures and investigates the size requirements for archived ITS data.

Weigh-in-motion evaluation. Hesham Rakha. Evaluates the accuracy, durability, and maintainability of alternative Weigh-in-Motion (WIM) technology, including the uniquely designed OWC WIM technology.

 

Transportation Policy, Operations and Logistics Center
School of Public Policy — George Mason University — Fairfax, Virginia