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Research Reports
View AllThis study addresses both structural and surfacing issues associated with unpaved roads subjected to heavier traffic applications. Different gravel types with various dust suppressants including recycled asphalt pavement (RAP) and soil stabilizers were evaluated in an attempt to provide the best road... From 2002-2012, an average of 40% of fatal crashes involved impaired drivers with a high of 53% in 2010 and a low of 26% in 2004. The 10-year average for
injury crashes was 13% with annual rates ranging from 10%-15%. Local rural road travel has the highest injury crash incidence in North Dakota. These roads are typically narrow two-lane roads with limited or no shoulder, and often unpaved surfaces that account for 1 in 5 rural travel miles beyond the interstate system. Local roads accounted for nearly half of serious... Occupant seat belt use in fatal and injury crashes is considerably lower than conventional use rate reported by NHTSA. North Dakota’s 10-year average occupant use in fatal crashes is 23%, and injury crashes, 64%. Crashes in this report are defined as speed-related if the attending officer specified that racing, driving too fast for conditions, or exceeding the posted speed limit was a contributing factor (NHTSA). Nationally, teens are a high-risk driver group. Crashes are consistently the leading cause of death for this age group, accounting for more than one-third of deaths annually. Many states have adopted graduated driver licensing (GDL) for teens as one intervention to improve teen driver safety. The GDL... Rumble strips and rumble stripes are a recommended strategy for crash reduction. The North Dakota Department of Transportation initiated rumble strip use in the 1970s and greatly expanded application of rumble stripes through a statewide initiative in recent years. This study of four intervention and... This study is an attempt to empirically measure livability to emphasize its role in community livability. Establishing these measures would enhance the practice and implementation of livability principles by various practitioners in the transit industry. This is in view of the difficulties faced in the... This report gives a summary of the current state of alcohol-impaired driving and countermeasures in the United States and individual states, including North Dakota. The objective of this report is to provide a benchmark for elevator managers in assessing performance, and supply a source for recognizing trends in the characteristics of North Dakota elevators. Note: this report is being published online only. |
