traffic control device demonstration june 15, 2005 sponsored by mn/dot and northland atssa conducted...
TRANSCRIPT
Traffic Control DeviceDemonstration
June 15, 2005Sponsored by Mn/DOT and Northland ATSSA
Conducted at the 3M Transportation Safety Center in Cottage Grove, Minnesota
Traffic Control Device Demonstration – June 15, 2005Summary Report
Autoflaggernot part of the survey
Traffic Control Device Demonstration – June 15, 2005Summary Report
• Daytime top half– Brightness 98%– Legibility 93%
• Nighttime top half– Brightness 94%– Legibility 90%
No PassingSign
Traffic Control Device Demonstration – June 15, 2005Summary Report
• Font– Top is easiest to read
– Bottom is easiest to read
• Sheeting– Right side is brighter– Right side is clearer
Glyph TrailSign
Traffic Control Device Demonstration – June 15, 2005Summary Report
• Typical Comments– Looks uniform across – NO Difference – Different shades of green?– Left side is brighter?– Center is brighter?– Didn’t look like the sign
was level
OXOXOXSign
Traffic Control Device Demonstration – June 15, 2005Summary Report
• Daytime– Left 64% – Middle 36%
• Daytime– Middle 38%
– Right 62%
FidgetySign
Traffic Control Device Demonstration – June 15, 2005Summary Report
• Nighttime– Left 15%– Middle 85%
• Nighttime– Middle 20%
– Right 80%
FidgetySign
Traffic Control Device Demonstration – June 15, 2005Summary Report
• Daytime– Left 66%– Middle 4%– Right 30%
ConspicuitySigns
Traffic Control Device Demonstration – June 15, 2005Summary Report
• Nighttime– Left 86%– Middle 5%
– Right 9%
ConspicuitySigns
Traffic Control Device Demonstration – June 15, 2005Summary Report
• Daytime– Left 92% – Middle 5%– Right 3%
LegibilitySigns
Traffic Control Device Demonstration – June 15, 2005Summary Report
• Nighttime– Left 59%– Middle 5%– Right 36%
LegibilitySigns
Traffic Control Device Demonstration – June 15, 2005Summary Report
STOPSigns
• Daytime– Brightness
• Left 61%• Right 39%
– Legibility• Left 63%• Right 37%
Traffic Control Device Demonstration – June 15, 2005Summary Report
STOPSigns
• Nighttime– Brightness
• Left 96%• Right 4%
– Legibility• Left 86%• Right 14%
Traffic Control Device Demonstration – June 15, 2005Summary Report
Wet ReflectivePavement Markings
• Typical Nighttime Comments– Awesome– Non-wet tape looks black– Obviously superior– Both white and yellow
Traffic Control Device Demonstration – June 15, 2005Summary Report
TypicalLane Closure
• Typical Comments– Drums demand respect, solid wall– Hard to tell lanes are merging at barrels– Visible / Clean… not confusing– Very visible, good alignment– Type III with arrow was critical for
direction
Traffic Control Device Demonstration – June 15, 2005Summary Report
Night Maint.Lane Closure
• Typical Comments– 2 arrow boards command
respect– Cones look like a gap in the
closure– Looks cluttered– Direction barricades easier to
follow than barrels– Much better at night than
during the day
Traffic Control Device Demonstration – June 15, 2005Summary Report
VariousDisplays
Traffic Control Device Demonstration – June 15, 2005Summary Report
Questions?