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CTECH Final Reports
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Optimal Ventilation Control in Complex Urban Tunnels with Multi-Point Pollutant Discharge
(2017-10-31)We propose an optimal ventilation control model for complex urban vehicular tunnels with distributed pollutant discharge points. The control problem is formulated as a nonlinear integer program that aims to minimize ... -
Spatial Sustainability Assessment of Green Stormwater Infrastructure for Surface Transportation Planning, Phase I
(2018-01-18)National Pollutant Discharge Elimination System (NPDES) regulates that transportation authorities are responsible for managing the stormwater runoff that carries pollutants from the transportation-adjacent land and vehicles. ... -
Analysis of Free-Floating Bike Sharing and Insights on System Operations
(2018-01-31)Free-floating bike sharing (FFBS) is an innovative bike sharing model. FFBS saves on start-up cost, in comparison to station-based bike sharing (SBBS), by avoiding construction of expensive docking stations and kiosk ... -
Electric Vehicle Sharing Planning and Operations
(2018-02-01)Car sharing has been recognized as a missing link to sustainable transportation that integrates flexibility, mobility and accessibility from private vehicles and economy and sustainability from public transits. The ... -
Development of a Comprehensive Metric to Evaluate the Impacts of Transportation-Environment on Community Health
(2018-02-28)The objective of this research is to develop a metric which can be served as a decision support tool for engineers, planners, public health officers and other decision makers to evaluate the health status of a community ... -
Assessing Children's Spatiotemporal Exposures to Transportation Pollutants in Near-road Communities
(2019-10-31)Traffic-related air pollution has a profound impact on human health especially for residents living in near-road communities which are constantly exposed these air pollutants. A near-road community is expected to observe ... -
Vulnerable Road User Safety Enhancements for Transportation Asset Management
(2019-01-31)Safety of Vulnerable Road Users (VRU) is a problem of global magnitude since the proportion of fatalities represents more than half of the total deaths in traffic worldwide. VRUs are pedestrians, cyclists, and motorcyclists ... -
Characterization of University Parking System
(2018-10)Most universities are constantly challenged by the parking congestion problem. As one of the initial steps towards finding the solutions, this research set out to: (1) understand the parking demand and management strategies ... -
Estimating Activity and Health Impacts of First and Last Mile Transit Access Programs for Work and Shopping Trips Using Sharing Mobility Services in the Metropolitan Area
(2019-03-15)This study evaluates the benefits of a first mile transit access program using shared mobility services. In doing so, the authors introduce a novel simulation and optimization framework that integrates macro-simulation of ... -
A Study of the Integrated Parking and Ridesharing Pricing/Incentives and their Social and Environmental Impacts in Metropolitan Areas
(2019-03-13)The potential rapid growth of paid ridesharing services brings a marketplace to utilize the empty seats in commuting vehicles. Yet few studies of morning commute have included paid ridesharing in their analysis. This ...
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