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Intersection Safety (3 credit hours/3 HSW Hours)
The Intersection Safety course was developed to discuss the issue of safety as it relates to traffic studies and plan design.  Despite improved intersection design and more sophisticated applications of traffic engineering measures, the annual toll of human loss due to motor vehicle crashes has not substantially changed in more than 25 years.  Perhaps with a better knowledge behind the crash statistics and countermeasures, designers can implement designs with better intersection safety.  
 
This course will brief the reader on national highway safety statistics.   It will also discuss the difference between nominal and substantive safety.  Human factors as related to intersection safety will be covered.  Design of intersections for older drivers is also covered.  There is a review of predictions of safety at intersections.  Equations for crash frequency models for stop control of minor intersections are provided.  Roadway geometrics as they relate to intersection design will be discussed.  Red light running is discussed and ideas to increase the likelihood of stopping are be provided.  Screening techniques and countermeasures will be covered.  
 
A six step crash mitigation process is provided to identify high crash locations and identify countermeasures.  The designer can use these steps to identify sites with potential safety problems, identify contributing factors and determine appropriate countermeasures to be used in plans preparation.  The countermeasures are discussed in detail and include signing, pavement marking, lighting and signalization features.
Debra Kennaugh, PE
Nominal vs. Substantive Safety is discussed as it relates to design standards vs. actual measured factors 
 
Human factors such as incidence of human error, chance of human error resulting in crash and severity of the consequences of crashes are discussed 
 
Prediction of safety at intersections is discussed and crash rate equations for intersections and stop control intersections are provided
 
Screening techniques & countermeasures are covered as they relate to roadway geometrics for intersection planning and design
 
Intersection safety for older drivers is discussed as it relates to intersection environments that require complex speed-distance judgments under time constraints

Titan Continuing Education, Inc. | 1519 Dale Mabry Hwy, Ste 201 Lutz, FL 33548 | Toll Free: 800.960.8858 | Email: info@TitanCE.com .