Photo Galleries > Visibility and Human Factors
Ambience documentation and visibility studies
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Tractor Trailer Pull-Out
Testing to simulate the effect of a tractor turning left in front of oncoming traffic at night.
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Sun Glare
A driver's view looking into the sun.
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DOT C-2 Tape
A photograph of DOT C-2 conspicuity tape.
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Headlight Beam Pattern
The illuminance pattern of a vehicle's headlamps at three heights from the ground.
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Pedestrian in Traffic
Photos taken of a pedestrian in the roadway.
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Visibility Study
A photo showing the effect of a road sign on the visibility of oncoming vehicles.
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Rear View Mirror
The field-of-view provided by a convex, external rearview mirror.
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Night Visibility
A photo showing the ambience of a lighted roadway.
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Warning Triangles
Proper placement of warning triangles for a tractor trailer stopped on the highway.
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Tractor and Trailer Lights
Lights on the rear of a tractor trailer at night.