module 7 exercise intersection & interchange geometrics (iig) innovative design considerations...
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Module 7
Exercise
Intersection & Interchange Geometrics (IIG)Innovative Design Considerations for All Users
APPLICATION EXERCISE
In teams, participants will discuss potential applications of alternative designs at the following three intersections:1. US 151 - Rural expressway2. SR 7 - Arterial in developing
suburb3. US 167 - Urban arterial
US 151
SCENARIO 1
RURAL FOUR LANE DIVIDED HIGHWAY
US-151 & Springville Rd.
FAR SIDE ANGLE COLLISIONS
SR 7
SCENARIO 2
SUBURBAN HIGH VOLUME ARTERIAL
SR 7 at Berry Hill Road
CONTEXT AND CONDITIONS
Rapidly developing suburban land use Commercial on north side Residential / mixed-use on south side
Currently STOP control at both minor road approachesHeavy through volumes on arterial45 mph posted speed – higher operating speeds
Residents and businesses are complaining about delay waiting to turn out from minor roads – they want a signal!
US 167
SCENARIO 3
URBAN HIGH VOLUME ARTERIAL
KEY CONSIDERATIONS TO DISCUSS
Applicability Characteristics Operational Benefits/Disadvantages
Safety Benefits/Disadvantages Pedestrian Accommodation ROW Constraints & Access Issues
QUESTIONS