Phase VI · Engineering Design Studio · Week 5–8
Traffic Operations and Safety Studio
Analyze capacity, level of service, intersection control, signal timing and safety countermeasures.
Traffic analysiss designed
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Add a traffic analysis to record its inputs, capacity and governing check.
Learning objectives
- Compute level of service
- Time a signal
- Select safety countermeasures
Engineering judgment
- LOS is a design outcome, not an input.
- Crash history beats intuition.
Governing standards
AASHTO Green Book
A Policy on Geometric Design of Highways and Streets
Alignment, sight distance, cross-section
Ch. 3 ElementsCh. 5–8 DesignHCM 7
Highway Capacity Manual
Capacity and level of service
Vol. 2 UninterruptedVol. 3 InterruptedAASHTO 1993
Guide for Design of Pavement Structures
Flexible and rigid pavement thickness design
Part II Design
Recommended next step
Pavement Design Studio
Design flexible and rigid pavements using ESALs, subgrade support, layer coefficients and drainage.
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