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Traffic Data Collection - Coggle Diagram
Traffic Data Collection
field data
field measurements
number of approaches
road width
Stopping Sight Distance
intersection size
number of lanes
traffic counts
daily volumes
peak hour volumes
vehicle miles travelled
vehicle types (trucks, passenger cars, etc)
intersection geometry and traffic control devices
horizontal curve data
vertical curve data
types of TC devices
cameras
inductive loops
pnuematic loops
Signage
stop
yield
Street Classification
minor
major
collector
residential
existing signal timing
types of signal
fully actuated
semi actuated
pre-timed
red light time
yellow light time
green light time
Level of Service
Cycle Time
crash history
types of crash
T-bone
Rear end
pedestrian
bike
Fatal
Non-fatal
number of crashes
Daily
Annual