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Increasing supply chain robustness through process flexibility and strategic inventory
(Massachusetts Institute of Technology, 2013)
When a disruption brings down one of company's manufacturing facilities, it can have a ripple effect on the entire supply chain and threaten the company's ability to compete. In this thesis, we develop an effective disruption ...
The relationship between rail transit ridership and built environment and transportation system
(Massachusetts Institute of Technology, 2013)
Public transportation is an effective tool to tackle many urban transportation problems. Due to its higher capacity and reliability, rail transit often serves as the main means to connect major trip origins and destinations ...
Urban transportation networks : analytical modeling of spatial dependencies and calibration techniques for stochastic traffic simulators
(Massachusetts Institute of Technology, 2013)
Exact numerical evaluation of the stationary joint queue-length distribution of a Markovian finite capacity network with arbitrary size and topology can be obtained numerically. Nonetheless, the main challenge to such an ...
Evaluation of bus priority strategies for BRT operations
(Massachusetts Institute of Technology, 2013)
Bus Rapid Transit (BRT) uses strategies such as exclusive bus lanes, off-vehicle fare collection, high quality vehicles and stations, signal priority, among others. Transit Signal Priority (TSP) is frequently seen as an ...
Intercity passenger rail productivity in the Northeast Corridor : implications for the future of high-speed Rail
(Massachusetts Institute of Technology, 2013)
The ongoing discussion about the future implementation of high-speed rail (HSR) in the Northeast Corridor (NEC) is full of questions on the feasibility of HSR and the ability of Amtrak to implement it. Indeed, the introduction ...
Productivity and competition in the U.S. trucking industry since deregulation
(Massachusetts Institute of Technology, 2013)
In 1980 Congress passed the Motor Carrier Act, substantially liberating trucking carriers from a federal regulatory structure that had exercised broad economic control over the industry for over four decades. Changes in ...
Scenarios discovery : robust transportation policy analysis in Singapore using microscopic traffic simulator
(Massachusetts Institute of Technology, 2013)
One of the main challenges of making strategic decisions in transportation is that we always face a set of possible future states due to deep uncertainty in traffic demand. This thesis focuses on exploring the application ...
Evaluating the robustness of crew schedules for rail transit systems
(Massachusetts Institute of Technology, 2013)
Crew scheduling has traditionally been the last step in the process of service planning, and it has traditionally aimed at minimizing manpower costs because it was assumed that the crew schedule does not directly impact ...
Decision making process and factors routing
(Massachusetts Institute of Technology, 2013)
This research studies the decision-making process and the factors that affect truck routing. The data collection involved intercept interviews with truck drivers at three rest area and truck stops along major highways in ...
Assessing Journey Time Impacts of Disruptions on London's Piccadilly Line
(Massachusetts Institute of Technology, 2013)
Public transport users depend on a reliable level of service on a daily basis. But system disruptions, caused by infrastructure problems, passenger events, and crew duty constraints, can result in reduced reliability for ...