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Legend
Direction of travel
Channelizing device
Work space
Sign

Termination Area
Downstream Taper lets traffic resume
normal operations
Buffer Space (longitudinal)
Traffic Space
allows traffic
to pass through Work Space
the activity area is set aside for
workers, equipment
and material storage
Activity Area
is where work
Buffer Space takes place
(lateral) Buffer Space
provides (longitudinal)
protection provides protection for
traffic and workers
for traffic
and workers

Transition Area
moves traffic out
of its normal path

Shoulder Taper

Advance Warning Area
tells traffic what to
expect ahead