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-
- Description:
- The COVID-19 pandemic disrupted the status quo of the telemobility landscape in the United States, forcing millions of Americans into lock down, significantly changing the way we work, travel, and spend our time and money for an extended period of time. After several months of adaptation, adoption, learning, and unlearning,...
- Keyword:
- latent variable modeling, e-commerce, covid-19, longitudinal tracking, telemobility, and telework
- Subject:
- Transportation and Civil engineering
- Creator:
- Tahlyan, Divyakant
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 08/23/2023
- Date Created:
- 2023-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:16722 and etdadmin_upload_1012495
-
- Description:
- Machine learning-based techniques have shown great promises in perception, prediction, planning, and general decision-making for improving task performance of autonomous driving. Connectivity technology has also presented great potentials in improving the safety and efficiency of transportation systems by providing information beyond the perception and prediction capabilities of individual vehicles. However,...
- Keyword:
- Connected and Autonomous Vehicle, Safety, and Security
- Subject:
- Robotics, Computer engineering, and Transportation
- Creator:
- Liu, Xiangguo
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 05/31/2023
- Date Created:
- 2023-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- etdadmin_upload_986836 and http://dissertations.umi.com/northwestern:16608
-
- Description:
- With the potential to bypass congested urban road networks and take advantage of the openness of the sky, advanced air mobility (AAM) promises to provide a faster alternative mode for people and goods. However, AAM will also require a new paradigm for the movement of aircraft around an airspace network...
- Keyword:
- Traffic Flow, Air Traffic Flow, Air Mobility, and Air Traffic Management
- Subject:
- Transportation
- Creator:
- Cummings, Christopher
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 09/22/2022
- Date Created:
- 2022-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- etdadmin_upload_929074 and http://dissertations.umi.com/northwestern:16261
-
- Description:
- This dissertation models and simulates optimization problems to find the optimal set of strategies to allocate network space (lanes or zones) to autonomous vehicles (AVs) in partially automated dynamic networks. This dissertation aims to develop a set of methods to determine the appropriate AV managed space strategies. Managed space strategies...
- Subject:
- Transportation
- Creator:
- Hosseini, Moein
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 09/22/2022
- Date Created:
- 2022-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- etdadmin_upload_929450 and http://dissertations.umi.com/northwestern:16274
-
- Description:
- Urban Air Taxi (UAT) is the use case of passenger-carrying Urban Air Mobility (UAM) at its mature state, and it offers a ubiquitous on-demand (or nearly on-demand) per-seat service that moves passengers in urban or suburban areas using groundbreaking aircraft. However, the absence of a dominant electric vertical take-off and...
- Keyword:
- Short Repositioning Elimination, Urban Air Mobility (UAM), Real-time Fleet Operation, Urban Air Taxi, and Air Pooling
- Subject:
- Transportation and Civil engineering
- Creator:
- Ale Ahmad, Haleh Sadat
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 06/22/2022
- Date Created:
- 2022-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:15931 and etdadmin_upload_879342
-
- Description:
- This dissertation is a culmination of work spanning several modes of travel, multiple datasets, and different contexts. Because the proliferation of new mobility services disrupted the transportation ecosystem, I aim to understand travel behavior and investigate how new and traditional modes intermingle. I focus my attention on Mobility-on-Demand which encompasses...
- Keyword:
- mobility-as-a-service, microtransit, and ridehailing
- Subject:
- Transportation
- Creator:
- Soria, Jason Malinay
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 06/22/2022
- Date Created:
- 2022-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- etdadmin_upload_891799 and http://dissertations.umi.com/northwestern:15986
-
- Description:
- Travel time is a key aspect of capturing and evaluating the operational performance and service quality of transportation systems, and travel time improvement is a common objective for travelers, service providers, transportation practitioners and agencies. However, the reliability of travel times, including the probability of unexpected delays, is an important...
- Keyword:
- algorithms, networks, travel time reliability, stochastic networks, routing, and path finding
- Subject:
- Transportation, Operations research, and Civil engineering
- Creator:
- Filipovska, Monika
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 02/02/2022
- Date Created:
- 2021-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- etdadmin_upload_850853 and http://dissertations.umi.com/northwestern:15794
-
- Description:
- In the past decade, the e-hail service provided by transportation network companies (TNCs) gained popularity in major cities around the world. By allowing passengers to virtually “hail” vehicles on mobile phones, e-hail has revolutionized the matching process in ride-hail, drastically reducing the existing search friction. However, previous studies found the...
- Subject:
- Transportation
- Creator:
- Zhang, Kenan
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 02/02/2022
- Date Created:
- 2021-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:15842 and etdadmin_upload_859795
-
- Description:
- This dissertation present a Compound Poisson Mixture Regression model of the distribution of transaction frequency and monetary value, and apply it to study donations at a private university in the Midwestern United States. The model captures the joint effect of covariates, recognizing that both response variables emanate from one statistical...
- Subject:
- Marketing and Transportation
- Creator:
- Bao, JIngyuan
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 06/28/2021
- Date Created:
- 2021-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- etdadmin_upload_810588 and http://dissertations.umi.com/northwestern:15511
-
- Description:
- This dissertation is motivated by the decision process of the supply chain team of a major furniture retailer that delivers its products at the customer's home. In retail supply chains for companies offering home delivery services, demand surges are observed at the store level, which translate to a high volume...
- Keyword:
- retail, home delivery, supply chain, customer behavior, demand information, and transportation
- Subject:
- Management, Transportation, and Operations research
- Creator:
- Boada-Collado, Pol
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 06/28/2021
- Date Created:
- 2021-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:15544 and etdadmin_upload_817419
-
- Description:
- Providing quality transit service to travelers is a constant challenge for transit agencies. The advent of fully-autonomous vehicles (AVs) and their inclusion in mobility service fleets may allow transit agencies to offer better service or reduce their own capital and operational costs. This study focuses on the problem of allocating...
- Keyword:
- public transit, autonomous vehicles, optimization, network modeling, and shared mobility
- Subject:
- Transportation, Civil engineering, and Urban planning
- Creator:
- Pinto, Helen
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 04/15/2021
- Date Created:
- 2021-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- etdadmin_upload_796818 and http://dissertations.umi.com/northwestern:15474
-
- Description:
- The transportation infrastructure privatization is an essential solution to the public fund's shortage of transportation investments. In the privatization practices, the private firms build, operate, and own the transportation infrastructure under a limited term. Due to the private sector's involvement, the efficiency of the transportation service is determined not only...
- Keyword:
- Tolling and capacity decision, Pareto efficiency analysis, Mechanism design, Transportation infrastructure, Network analysis, and Public-private partnership
- Subject:
- Transportation and Civil engineering
- Creator:
- Shu, Hang
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 02/01/2021
- Date Created:
- 2020-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- etdadmin_upload_764914 and http://dissertations.umi.com/northwestern:15283
-
- Description:
- With connected vehicle generated (CVG) information, traffic stream parameters become straightforwardly quantifiable, enabling traffic state characterization and examination over a variety of operational conditions. Since the observation is independent of any spatial restrictions and unaffected by queue buildup and discharge, CVG data offer more comprehensive, more reliable inputs to the...
- Keyword:
- Connected Vehicles, High-Resolution Measures, Trajectory Analytics, Performance Assessment, Traffic Signal System, and Connected Signal
- Subject:
- Transportation and Civil engineering
- Creator:
- Ostojic, Marija
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 02/01/2021
- Date Created:
- 2020-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- etdadmin_upload_765215 and http://dissertations.umi.com/northwestern:15296
-
- Description:
- Autonomous trucks (ATs) are envisioned to potentially revolutionize the logistics sector. The integration of autonomous trucks into the overall truck fleet will impact industry regulations and ease driver-related challenges. It also has the potential to improve road safety and reduce carrier costs. There is an extensive body of literature on...
- Keyword:
- Less-than-truckload, Freight, Automation, Daily load planning, Service Network Design, and Autonomous Trucks
- Subject:
- Transportation
- Creator:
- Al Hajj Hassan, Lama
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 02/01/2021
- Date Created:
- 2020-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:15126 and etdadmin_upload_743927
-
- Description:
- Mobile internet has brought a disruptive innovation to the ride-hail industry. The technology introduced by Uber, referred to as e-hail, matches passengers with drivers through their smart phones, while integrating transaction and feedback in a single app. In comparison to taxis hailed off street, or street-hail (s-hail hereafter), e-hail has...
- Keyword:
- matching, economy of scale, and ride-hail
- Subject:
- Transportation
- Creator:
- Chen, Hongyu
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 02/01/2021
- Date Created:
- 2020-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:15413 and etdadmin_upload_780940
-
- Description:
- A hybrid multimodal mobility system aims to deliver mobility as a service by integrating a broad range of existing and emerging public transportation services. The appeal of a hybrid system is twofold. First, it can strike a better balance between cost and level of service (accessibility, efficiency etc.). Second, it...
- Keyword:
- Network design, Continuous approximation, Hybrid mobility system, and Public transit
- Subject:
- Transportation and Civil engineering
- Creator:
- Luo, Sida
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 02/01/2021
- Date Created:
- 2020-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:15206 and etdadmin_upload_758565
-
- Description:
- Automobile transportation is among the leading sources of greenhouse gas emissions in the United States, and reducing vehicle miles traveled must be part of our climate change mitigation efforts. One recent trend that, if accelerated, could aid in this effort is the increase in bicycling for transportation in large US...
- Keyword:
- bicycling, urban politics, climate change, gentrification, and transportation
- Subject:
- Sociology, Transportation, and Political science
- Creator:
- Burk, Derek Thomas
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 01/21/2021
- Date Created:
- 2020-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:15065 and etdadmin_upload_739670
-
- Description:
- The purpose of this dissertation is to investigate the adoption of active mobility through the lens of three fundamental concepts: scale, segment, and neighborhood. Scale refers to both the aggregation of geospatial data and the measurement of latent constructs through behavioral survey instruments. Segment refers to the various clustering approaches...
- Keyword:
- active transportation, market segmentation, community, well-being, and travel behavior change
- Subject:
- Geography, Social psychology, and Transportation
- Creator:
- Biehl, Alec Michel
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 02/12/2020
- Date Created:
- 2019-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- etdadmin_upload_685030 and http://dissertations.umi.com/northwestern:14802
-
- Description:
- The term Connected Vehicle (CV) is broadly used to identify any ‘smart vehicle’ with wireless connectivity to the roadside infrastructure and other vehicles. CVs with automation capabilities are called connected automated vehicles (CAVs). With real-time communication and data transmission capability, CAVs have the potential to improve the transportation system’s traffic...
- Subject:
- Transportation
- Creator:
- Mittal, Archak
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 02/12/2020
- Date Created:
- 2018-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:14452 and etdadmin_upload_626410
-
- Description:
- Two recent developments in the transportation industry – shared-use mobility services and fully-autonomous vehicles (AVs) – have the potential to fundamentally transform urban mobility. Shared-use mobility services (e.g. Uber, Lyft, Via, Chariot, ZipCar, and Car2go) are already beginning to bridge the gap between personal vehicles and fixed-route transit service in...
- Keyword:
- Dynamic Vehicle Routing, Stochastic Dynamic Control Problem, Mobility-on-Demand, Shared Mobility, and Autonomous Vehicles
- Subject:
- Transportation, Operations research, and Urban planning
- Creator:
- Hyland, Michael Francis
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 02/12/2020
- Date Created:
- 2018-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:14470 and etdadmin_upload_627240
-
- Description:
- Connected and automated vehicle (CAV) technology is a disruptive transportation development with potentially transformative impacts on society and the economy. CAV systems promise to significantly reduce human-caused road crashes, improve traffic flow performance, and lower pollutant emissions. However, realizing those benefits requires strategic planning for the deployment of CAV systems...
- Keyword:
- Speed Harmonization, Connected and Automated Vehicles, Shockwave Detection, and Machine Learning
- Subject:
- Transportation
- Creator:
- Elfar, Amr
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 02/12/2020
- Date Created:
- 2019-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:14667 and etdadmin_upload_662894
-
- Description:
- Context: Crowd logistics is a novel shipping concept where delivery operations are carried out by employing existing vehicle capacity and drivers from the crowd, relying on their planned tours, thereby offering potential for economic, social, and environmental benefits. Despite the promise of this new logistics model, little is known about...
- Keyword:
- Discrete Choice Modeling, User's Behavior, Sharing Economy, Crowd-shipping, Social Network Analysis, and Urban Freight Delivery
- Subject:
- Transportation
- Creator:
- Punel, Aymeric
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 02/12/2020
- Date Created:
- 2019-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:14592 and etdadmin_upload_660772
-
- Description:
- Autonomous vehicles (AVs) have gained more and more attention from researchers, manufacturers, and transportation experts. When AVs become available to the public, they are expected to dramatically alter the transportation system as we know it, posing critical questions such as: How will the road network react to this change? How...
- Keyword:
- MIP, Activity-Based Model, Dynamic Traffic Assignment Model and Simulator, and Autonomous vehicle
- Subject:
- Transportation
- Creator:
- Xu, Xiang
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 02/12/2020
- Date Created:
- 2018-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- etdadmin_upload_640460 and http://dissertations.umi.com/northwestern:14542