Index Catalog // ScholarsArchive@OSU

Evaluating safety at Oregon‘s isolated, high-speed, signalized intersections

Creator:: Kopper, Neil H.
Abstract:: Isolated approaches at signalized intersections with posted speed limits of 45 mph or greater generally experience large numbers of rear-end and angle collisions. A combination of less attentive drivers, high operating speeds, and less than ideal intersection characteristics can result in crash frequencies well above expected rates. A number of...
Resource Type:: Masters Thesis

Calibrating the highway safety manual predictive methods for Oregon rural state highways

Creator:: Xie, Fei
Abstract:: The first edition of the Highway Safety Manual (HSM) provides a quantitative approach to predict the safety of transportation facilities based on the recently developed scientific methods. This approach, known as the predictive method, was developed for several states in the United States. Due to differences in driver population, weather...
Resource Type:: Masters Thesis

Using the predictive method in the 2010 Highway Safety Manual to identify hazardous intersections in Corvallis, OR

Creator:: Zhou, Yanfen
Abstract:: An intersection, due to its vehicle and pedestrian conflict movements, experiences complex traffic situations that might contribute to crashes. In the city of Corvallis, OR, historically more than 80% of the total crashes have occurred within an intersection or have been designated as intersection-related. It is important to develop a...
Resource Type:: Masters Thesis
Full Text:: . David Hurwitz, Dr. Daniel Schafer and Dr. Sheryl Thorburn. I really appreciate their valuable time

Planning of a secondary road network for low speed vehicles in small or medium-sized city

Creator:: Jannat, Mafruhatul
Abstract:: In response to the growing environmental concern and higher operating cost of regular automobile, the concept of Low-Speed Vehicles (LSVs) is becoming popular as a sustainable mode of transportation. Primarily designed for protected environments and gated communities, the use of these vehicles is gradually increasing on public roadways as a...
Resource Type:: Masters Thesis

Data assessment in Oregon for SafetyAnalyst based on Highway Safety Manual Part B

Creator:: Li, Meng
Abstract:: The author of the Highway Safety Manual (HSM) Part B developed a predictive method for safety management. A software tool for highway safety system analysis called the SafetyAnalyst is developed basing on HSM Part B. The author describes an effort to evaluate the feasibility of SafetyAnalyst in Oregon. Seven sample...
Resource Type:: Masters Thesis

Road user understanding of shared lane pavement markings (sharrows) case study - Corvallis, OR

Creator:: Cosma, Ioana
Abstract:: This thesis focuses on shared use lane facilities and road user understanding. Shared use lanes (sharrows) are a common solution for road facilities that are too narrow to accommodate a full bicycle lane and where the local jurisdiction wants to reduce dooring crashes. In recent years, engineers have focused on...
Resource Type:: Masters Thesis
Full Text:: would like to thank Dr. David Hurwitz and Dr. Susan Carozza for allocating their valuable time to my

Optimal sensor placement for measuring operating speeds through curves on rural two-lane highways

Creator:: Mecham, Megan E.
Abstract:: Operating speed is one of the best performance measures that can tell transportation agencies how well or how poorly the transportation system is functioning. Fluctuating operating speeds often mean there is a design flaw or something about the physical road design that violates drivers' expectations. A primary example of this...
Resource Type:: Masters Thesis

Accuracy assessment of LiDAR point cloud geo-referencing

Creator:: Williams, Keith E.
Abstract:: Three-dimensional laser scanning has revolutionized spatial data acquisition and can be completed from a variety of platforms including airborne (ALS), mobile (MLS), and static terrestrial (TLS) laser scanning. MLS is a rapidly evolving technology that provides increases in efficiency and safety over static TLS, while still providing similar levels of...
Resource Type:: Masters Thesis
Full Text:: Hurwitz, John Sessions, and Robert Schultz for their time and assistance in reviewing this document

A validation of the Oregon State University driving simulator

Creator:: Brown, Lacy S.
Abstract:: Driving simulation is widely accepted as a safe, effective, and economical alternative for investigating driver behavior in a variety of contexts. However, in order to apply simulator-based research results to real-world settings, the performance measures acquired through simulated driving experiments must first be validated. This research was aimed at validating...
Resource Type:: Masters Thesis
Full Text:: . David Hurwitz, Dr. Robert Layton, Dr. Kate Hunter-Zaworski, and Dr. Thomas Plant, thank you for your

Developing safety performance functions for 4-leg single-lane roundabouts based on Oregon data : a case study

Creator:: Zheng, Jianfei
Abstract:: Roundabouts have become an alternative for traditional intersections due to the safer operational performance. Previous research has provided crash modification factors (CMFs) as a criterion based on before-after studies as to evaluate the safety performance of roundabouts. One drawback of assessment based on crash modification factors, however, is that a...
Resource Type:: Masters Thesis
Full Text:: thank Dr. Hurwitz, Dr. Di and Dr. Higginbotham who could take their valuable time as my defense

ScholarsArchive@OSU

Evaluating safety at Oregon‘s isolated, high-speed, signalized intersections

Calibrating the highway safety manual predictive methods for Oregon rural state highways

Using the predictive method in the 2010 Highway Safety Manual to identify hazardous intersections in Corvallis, OR

Planning of a secondary road network for low speed vehicles in small or medium-sized city

Data assessment in Oregon for SafetyAnalyst based on Highway Safety Manual Part B

Road user understanding of shared lane pavement markings (sharrows) case study - Corvallis, OR

Optimal sensor placement for measuring operating speeds through curves on rural two-lane highways

Accuracy assessment of LiDAR point cloud geo-referencing

A validation of the Oregon State University driving simulator

Developing safety performance functions for 4-leg single-lane roundabouts based on Oregon data : a case study

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