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Roadway Geometric Design 1 Author: Gregory Taylor This course is the first in a series of five volumes that summarizes and highlights the geometric design process for modern roads and highways. Subjects covered include: highway functions (classification systems); design controls and criteria (design vehicles, highway capacity, traffic characteristics); and elements of design (sight distance, horizontal... Learn More

Intersection Geometric Design II Author: Gregory Taylor Intersections are unique roadway elements where conflicting vehicle streams (and sometimes non-motorized users) share the same space. This area encompasses all modes of travel (pedestrian, bicycle, passenger vehicle, truck, and transit)as well as auxiliary lanes, medians, islands, sidewalks and pedestrian ramps. These may further heighten the accident potential... Learn More

Intersection Geometric Design I Author: Gregory Taylor Intersections are unique roadway elements where conflicting vehicle streams (and sometimes non-motorized users) share the same space. This area encompasses all modes of travel (pedestrian, bicycle, passenger vehicle, truck, and transit)as well as auxiliary lanes, medians, islands, sidewalks and pedestrian ramps. These may further heighten the accident potential... Learn More

Roadway Signs II Author: Gregory Taylor Traffic signs are the primary communication devices used for informing drivers of regulations, roadway conditions, etc. within work zones. The goal is to provide drivers with relevant information when they need it – resulting in safer, more efficient roadways with reduced liability risks. This 3-hour course discusses how to... Learn More

Roadway Signs I Author: Gregory Taylor This 3-hour course is the first of two in this series that focuses on how to effectively use signs to guide roadway traffic, and thereby reduce your liability exposure. Traffic signs are the primary communication devices used for informing drivers of regulations, roadway conditions, etc. within work zones. The... Learn More