NTC Research Projects

[NTC2016-SU-R-12] Optimizing Highway Efficiency in Real-Time

PI: Brian Wolshon

Ramp management is one tool commonly used to maximize freeway capacity by utilizing control devises (signals, signs, gates, etc.) to regulate the number of vehicles entering and leaving the freeway.

[NTC2016-SU-R-11] Trade Flow Implications with the Opening of Cuba

PI: Bethany Stich

The rapid reduction of barriers to trade between the US and Cuba coupled with completion of the Panama Canal expansion has implications for the flow of goods within the Gulf of Mexico.

[NTC2016-SU-R-10] A Model System for Greenhouse Gas Emissions Estimation and Green Policy Evaluation

PI: Cinzia Cirillo

In this project we propose to combine an integrated discrete- continuous car ownership model and MOVES2014 to estimate households’ vehicle greenhouse gas emissions.

[NTC2016-SU-R-09] Stochastic Deployment of Emergency Vehicles Considering Sequence of Incidents

PI: Ali Haghani

An efficient control of emergency response units can greatly reduce injuries and adverse impacts.

[NTC2016-SU-R-08] Carbon Credit Estimation Tool for Sustainable Pavement Projects

PI: Qingbin Cui, Lei Zhang

A life-cycle analysis methodology showed the use of cold recycling techniques can reduce carbon emissions by up to 84% compared to the most conservative estimate of emissions from Hot Mix Asphalt (HMA).

[NTC2016-SU-R-07] Protecting Global Maritime-Based Intermodal Freight Distribution Systems from the Impacts of Climate Change

PI: Elise Miller-Hooks

Many of the components of intermodal freight transport systems, as well as other rail and roadway system infrastructures, are by the nature of their designs and locations inherently vulnerable to rising sea levels, significant precipitation events, storm surges and consequent coastal flooding.

[NTC2016-SU-R-06] An Integrated Bus-Based Progression System for Congested Arterials

PI: Gang-Len Chang

Due to the high capacity of transit vehicles, the promotion of transit systems can help minimize the number of passenger cars in urban networks and consequently reduce the overall network congestion.

[NTC2016-SU-R-05] The Potential of Employing Connected Vehicle Technologies for Demand Management of Managed Lane Facilities

PI: Yingyan Lou

In the proposed research, we will focus on the potential of employing CV technologies for demand management of managed lane (ML) facilities, with the goal of improving the ML efficiency and effectiveness.

[NTC2016-SU-R-04] Sustainability and Scaling of Urban Transportation Networks

PI: Zhihua Wang, Kamil Kaloush

Being the ultimate urban land connectors, malfunction or under-performance of transportation networks may in fact trigger the failure of other systems as these elements are inherently interdependent.

[NTC2016-SU-R-03] Economic Impacts from Challenges in Pavement Engineering in an Uncertain Climate Future

PI: Shane Underwood, Mikhail Chester

There remains relatively weak science for how climate change hazards can impact transportation infrastructure, the personal and commercial use of the infrastructure, the economic disparities that may occur from inconsistent geospatial and temporal influences, and how these impacts should be best managed.

[NTC2016-SU-R-02] Effect of Pavement Condition on Accident Rate

PI: Michael Mamlouk, Shane Underwood, Kamil Kaloush

Pavement distresses directly affect ride quality, and indirectly contribute to driver distraction, vehicle operation, and accidents.

[NTC2016-SU-R-01] Impact of Project Delivery Systems on the Long-Term Performance of Transportation Projects- A National Economic Study

PI: Mounir El Asmar, Shane Underwood, Kamil Kaloush

It is relatively unknown how alternative delivery processes affect the performance of the constructed materials, and hence the overall quality of the infrastructure component (eg., highway, bridge, etc.) and the long-term economic impact of that infrastructure.

[NTC2016-MU-R-05] Methods for Improving the Reliability of Transportation Systems

PI: Paul Schonfeld, George List

The reliability of transportation systems may be improved in various ways involving overall system design, the detailed design of facilities and vehicles, maintenance of facilities and equipment, routing, scheduling, traffic management, terminal operations, control of vehicle movements, provisions for reserves or slack in various system components, and preparations for contingencies.

[NTC2016-MU-R-04] Active Bottleneck Management on Freeways Through Connected Vehicles

PI: Mecit Cetin, George List

To minimize congestion-related delays it is essential to ensure that the throughput at choke points is kept as high as possible while not compromising capacity due to incidents or irregular/turbulent traffic flow.

[NTC2016-MU-R-03] A National Model for Predicting Life Cycle Costs and Benefits of Intersection Control Alternatives

PI: Daniel Findley, Mark Franz

This proposed project is designed to optimize the allocation of public funds for transportation improvements by creating a computational tool that enables agencies to efficiently compare the life cycle impacts of intersection control type alternatives.

[NTC2016-MU-R-02] Impact of Level of Service (LOS) on the Driver's Behavior on Arterials

PI: Behzad Aghdashi, Celeste Chavis

Improving mobility performance measures improves Level of Service and produces several other types of benefits. 

Urban Transportation System Analytics and Optimization image

[NTC2016-MU-R-01] Urban Transportation System Analytics and Optimization: A Sensor Data-Driven Approach

PI: George List, Xuesong Zhou

Sensor data, from vehicles and facilities, is revolutionizing the manner in which urban transportation systems can operate.

[NTC2015-SU-R-13] Accommodation of Bicyclists on High Speed Roadways in Maryland

PI: Paul Schonfeld, Elise Miller-Hooks

This project will investigate bicycle infrastructure design options and related treatments to facilitate safe cycling along high speed roadways in Maryland.

[NTC2015-SU-R-12] Efficient and Effective Implementation of Alternative Project Delivery

PI: Qingbin Cui

This project aims to help develop a strategic and integrated approach on how to efficiently and effectively identify, develop, procure, and manage projects utilizing alternative project delivery methods.

[NTC2015-SU-R-10] Incorporating Freight and Trade in the Comprehensive Plan: A Megaregion Case Study

PI: Bethany Stich

This research will explore the freight planning challenges faced by one emerging megaregion, the US Gulf Coast and will assess disparate strategies for economic development. 

[NTC2015-SU-R-09] Understanding Changes in Travel Behavior due to Managed Lanes

PI: Cinzia Cirillo

The main purpose of this research is to contribute to the literature on how to measure the effect of departure time and travel time reliability on travelers’ value of time and acceptability of HOT lanes.

[NTC2015-SU-R-08] intelliRoute: A Prototype Mobile System for Non-recurrent Congestion Mitigation Driven by Crowd-sourced Data

PI: Gang-Len Chang, Yue Liu

This research seeks to develop a smartphone-based prototype system that supplements the 511 system to improve its real-time traffic routing service to state highway users and mitigate non-recurrent traffic congestion.

[NTC2015-SU-R-07] A System-of-Systems Approach to Creating Resilient Transportation Systems given Interdependencies with Other Critical Lifelines

PI: Elise Miller-Hooks

This work develops a deeper understanding of the effects of interactions between critical infrastructure lifelines (including water, wastewater, power, natural gas, communications and cyber) and transportation systems.

[NTC2015-SU-R-06] Advanced Volatility Models for Improving Travel Time Prediction

PI: Ali Haghani

In order to provide meaningful traffic information to both travelers and traffic managers, it is critical to develop accurate and reliable traffic prediction algorithms that not only reduce absolute value of prediction error but also take into consideration the uncertainty associated with travel time prediction.