| ||||||||||||||||||
|
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.
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. 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. 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 | ||||||||||||||||||