Suspicion of stroboscope effect • 8 tunnel niche accidents in last 2 years 8 tunnel niche accidents in last 2 years • 3 accidents since march 2012 3 accidents since march 2012 30 May 2012 • 3 accidents since march 2012 3 accidents since march 2012 52
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SuspicionSuspicion of stroboscope effect of stroboscope effect · SuspicionSuspicion of stroboscope effect of stroboscope effect ... Smaller pupil + Slower refleks discriminating
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Suspicion of stroboscope effectSuspicion of stroboscope effect
•• 8 tunnel niche accidents in last 2 years8 tunnel niche accidents in last 2 years•• 3 accidents since march 20123 accidents since march 2012
30 May 2012
•• 3 accidents since march 2012 3 accidents since march 2012
52
Where to drive: left or right?Where to drive: left or right?
30 May 201253
Green (as I understand) = safe to drive into?Green (as u de sta d) safe to drive into?
30 May 201254
Entrance: Red = STOP Green = GOntrance: Red STOP Green GO
30 May 201255
What is the difference?What is the difference?
Not good Perfectly shaded lightsNot good Perfectly shaded lights
30 May 201256
Light source: yellow versus whiteight source: yellow versus white
30 May 201257
Young eyeYoung eye
30 May 201258
Elderly eye: -20% blue lightlderly eye: 0% blue light
30 May 201259
Human eyesight perception Discrimination of elderly drivers!Discrimination of elderly drivers!
ComparisonCONCRETECONCRETEBetter light reflection 50% less energy needed for tunnel lightingBetter light reflection 50% less energy needed for tunnel lighting
ASPHALTASPHALTASPHALTASPHALTFaster and cheaper first installationFaster and cheaper first installationProduces smoke at big firesProduces smoke at big firesoduces s o e at b g esoduces s o e at b g esHeavy vehicles produce wheel tracks Heavy vehicles produce wheel tracks Different shaft heights due to settling down Different shaft heights due to settling down
30 May 201263
VIDEO surfaces illumination analyzerVI O surfaces illumination analy er