Friday Transportation Seminar: Student Presentations from TRB, Week 3
Friday, February 2, 2018 - 12:00pm

Speaker(s): Portland State University Students

*NEW* LOCATION: Karl Miller Center at PSU, 631 SW Harrison St., Room 465
*NEW* REGISTRATION: Sign up through GoToWebinar

Portland State University students will share the work they presented at the annual meeting of the Transportation Research Board (TRB) 2018:

Evaluation of Route Changes Utilizing High-Resolution GPS Bus Transit Data
Congestion and travel delay on urban roadways can influence operating costs and service attractiveness. This research uses high resolution bus data to examine sources of delay on urban arterials. A set of tools was created to help visualize trends in bus behavior and movement; this allowed larger traffic trends to be visualized along urban corridors and urban streets. By using buses as probes and examining aggregated bus behavior, contoured speed plots can be used to understand the behavior of roadways outside the zone of influence of bus stops. Speed plots can be utilized to discover trends and travel patterns with only a few days’ worth of data. Congestion and speed variation can be viewed by time of day and plots can help indicate delays caused by intersections, crosswalks, or bus stops. This type of information is important to transit authorities looking to improve bus running times and reliability. Congested areas can be detected and ranked. Speed plots can be utilized to reevaluate bus stop locations, e.g. near-side vs. far-side, and to identify locations where improvement are needed, e.g. queue jump lanes. Transportation agencies can also benefit from this type of information because arterial performance measures are difficult to estimate.

Valuing Bicycle Infrastructure in Portland, Oregon
Investments into active transportation infrastructure are often promoted as a strategy for sustainable transportation, better public health, environmental quality, and economic development. Although empirical evidence generally points toward positive property value impacts of off-street greenways and trails, few focus on whether households might have different willingness-to-pay for different types and levels of bicycle infrastructure. This paper aims to fill research gaps in understanding consumer preferences for different types of bicycle facilities by examining property value impacts of four bicycle facility types: on-street advanced bike facilities and bike lanes; and off-street regional multi-use paths and local multi-use paths. Using Portland, Oregon as a case study, this paper applies spatial hedonic pricing models, and characterizes each facility type by both ease of access (distance) and extensiveness of bike network (density) within a range of buffer zones.

This 60-minute seminar is eligible for 1 hour of professional development credit for AICP (see our provider summary). We can provide an electronic attendance certificate for other types of certification maintenance.

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