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TEA
Functions
Office of the Special Assistant for Transportation Engineering
Traffic Engineering Branch
Better Military Traffic Engineering
Traffic Signals Calculators
Signal Safety Interval Calculator
Signal Safety Interval Calculator
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Signal Safety Interval Calculator
Speed of Approaching Vehicle
mph
Grade of Approach
%
Width of Intersection
ft
Length of Vehicle
Passenger Vehicle (20 feet)
Intercity Bus (46 feet)
WB-62 (69 feet)
Other
ft
Click Calculate for
Recommended
Change Interval
sec
Click Calculate for
Recommended
Clearance Interval
sec
Source:
Institute of Transportation Engineers.
ITE Manual of Traffic Signal Design.
Washington, DC. US Printing Office. 1991.
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Instructions and Definitions
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Instructions
: Signal Safety interval Calculator
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Table of Contents
Signs and Markings
Place Warning Signs
Passing Sight Dist.
Traffic Signals
Signal Safety Interval
Pedestrian Intervals
Entry Control Facilities
ECF Lane Tapers
Visitors Parking
Parking
Parking Area
Layout Dimensions
Roadside Safety
Clear Zone
Lateral Placement
Run-out Length
Barrier Warrants
Intersections
Traffic Control Need
Sight Distance
Storage Length
Approach Taper Length
Bay Taper Length
Stopping Sight Dist.
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