• Optimum Stop Spacing for Accessibility 

      Wu, Hao; Levinson, David M.
      Published 2018-09-13
      This paper describes the connection between stop spacing and person-weighted acces- sibility for a transit route. Population distribution is assumed to be uniform along the line, but at each station, demand drops with ...
      Open Access
      Preprint
    • Pavement condition and crashes 

      Yokoo, Toshihiro; Levinson, David M.; Marasteanu, Mihai
      Published 2018-09-13
      Change in weather state (such as the freeze-thaw cycle) leads to distresses in pave- ment materials. It has been hypothesized that poor pavement quality reduces the ability of roads to drain and reduces the ability of ...
      Open Access
      Preprint
    • I only get some satisfaction: Introducing satisfaction into measures of accessibility 

      Chaloux, Nick; Boisjoly, Geneviève; Grisé, Emily; El-Geneidy, Ahmed; Levinson, David M.
      Published 2018-09-13
      Improving accessibility is a goal pursued by many metropolitan regions to address a variety of objectives. Accessibility, or the ease of reaching destinations, is traditionally measured using observed travel time and has ...
      Open Access
      Preprint
    • Measures of Speeding from a GPS-based Travel Behavior Survey 

      Yokoo, Toshihiro; Levinson, David M.
      Published 2018-09-13
      Objective: Lacking information about actual driving speed on most roads in the Minneapolis - St. Paul region, we determine car speeds using observations from a GPS-based travel survey. Speed of travel determines the ...
      Open Access
      Preprint
    • WALKING AND TALKING: THE EFFECT OF SMARTPHONE USE AND GROUP CONVERSATION ON PEDESTRIAN SPEED 

      Reynolds Walsh, Lexie; Xian, Tingsen; Levinson, David M.
      Published 2018-09-13
      By testing the walking speed of groups of pedestrians and of phone users, followers of groups and of phone users, and of people uninfluenced by phone users and groups, from different sites it could been seen that groups ...
      Open Access
      Preprint