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An Evaluation Of The Impact Of Leading Pedestrian Interval Signals In Nyc, Jeremy J. Sze
An Evaluation Of The Impact Of Leading Pedestrian Interval Signals In Nyc, Jeremy J. Sze
Theses and Dissertations
I evaluated the impact of the phased introduction of Leading Pedestrian Interval Signals (LPIs) on collision and injury outcomes at 12,987 signalized traffic intersections in New York City over the course of 25 quarters from 2012 to 2018. An intersection is treated when a LPIs is installed to give pedestrians lead time to cross the street before vehicles are allowed to move. Outcomes from NYPD’s Motor Vehicle Collisions data were matched to signalized intersections. I hypothesize that LPIs would reduce collisions and reduce injuries for pedestrians at intersections. A difference in difference fixed effects panel regression was used to identify …
A Summer At Azavea Working With Nonprofit Organizations: The Summer Of Maps Fellowship, Sarah Gates
A Summer At Azavea Working With Nonprofit Organizations: The Summer Of Maps Fellowship, Sarah Gates
International Development, Community and Environment (IDCE)
This report details my experience as a Summer of Maps Fellow at Azavea during June 2017 to August 2017. As a Summer of Maps Fellow I worked with nonprofit organizations, the Fair Tech Collective and the World Resources Institute, on two geospatial analysis projects. For the Fair Tech Collective I analyzed data on refinery flaring pollution, air toxin concentrations, and sensitive receptor populations to produce a series of maps and infographics detailing the impacts of petrochemical pollution in the San Francisco Bay Area. For the World Resources Institute I used data-driven methods to analyze conservation efforts in the Central African …