AI – A m bi gu ou s In f r a s t r u c t u r e Wh en S i gn i n g a n d P a v em en t Ma r k i n gs Don ’t Ma k e S en s e t o Dr i v er s or Ma c h i n es PRESENTED TO
Au t om at ed Veh i cl es Sy m posi u m – Sessi on 2 0 TRB AND AUVSI Tu esday , J u n e 2 3 r d , 2 0 16 S c ot t O. K u z n i c k i ,
P .E .
Tr a n s por t a t i on E n gi n eer i n g P r a c t i c e L ea der Tox c el , LLC
DISCLAIMER
THE V IE WS A ND OP INIONS E X P R E S S E D IN THIS P R E S E NTA TION A R E THOS E OF THE P R E S E NTE R (S ) A ND A R E NOT INTE NDE D TO R E F L E CT THE V IE WS , P R E F E R E NCE S , OR P OL ICIE S OF TOX CE L , L L C, A NY DE P A R TME NT OF TR A NS P OR TA TION, THE F E DE R A L HIGHWA Y A DMINIS TR A TION, THE NA TIONA L COMMITTE E ON UNIF OR M TR A F F IC CONTR OL DE V ICE S , OR THE TR A NS P OR TA TION R E S E A R CH B OA R D A ND A NY OF ITS COMMITTE E S OR S P ONS OR ING OR GA NIZA TIONS .
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2 0 16 KICKSTARTER Cam pai gn
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CLARITY?
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THE CONSISTENCY PRINCIPLE
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IF IT MEANS THIS, IT DOESN’T MEAN THAT
A
≠
B
A
≠
B
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IF IT MEANS THIS, IT DOESN’T MEAN THAT
A A
B B
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IF IT MEANS THIS, IT DOESN’T MEAN THAT
B A
A B
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BROADENING USE “ The application of a TCD beyond the specific case or specific set of related cases for which it was intended.”
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IF IT MEANS THIS, IT DOESN’T MEAN THAT
A A
A B
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ERRATIC USE “ The application of TCDs with differing meanings in locations where one or a discrete set of TCDs should be consistently employed” toXcel, LLC
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IF IT ME A NS THIS , IT DOE S N’T ME A N THA T
A A
B A
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IF IT ME A NS THIS , IT DOE S N’T ME A N THA T
C A
C A
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INCONSISTENCY IS EVERYWHERE OP TION L A NE E X ITS A ND MUL TI-L A NE E X ITS
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FOUR GEOMETRIC DESIGN OPTIONS . . . F OUR SCENARIOS
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EXITING LANES L OCA TION 1
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LOCATION 1
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LOCATION 1
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EXITING LANES L OCA TION 2
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LOCATION 2
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LOCATION 2
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LOCATION 2
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LOCATION 2
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LOCATION 2
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EXITING LANES L OCA TION 3
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LOCATION 3
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LOCATION 3
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LOCATION 3
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LOCATION 3
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LOCATION 3
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EXITING LANES L OCA TION 4
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LOCATION 4
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LOCATION 4
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LOCATION 4
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LOCATION 4
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LOCATION 4
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LOCATION 4 IN COMPARISON TO LOCATION 3
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HOW DOES A MACHINE MAKE L OGICA L S E NS E OF THIS WITHOUT E X TE NS IV E UP -F R ONT DA TA COL L E CTION A ND R UL E S F OR E V E R Y INTE R CHA NGE ?
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FOUR GEOMETRIC DESIGN OPTIONS . . . FOUR EXCLUSIVE APPLICATIONS
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BROADENING USE WHE R E DOE S THE L A NE E ND?
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BROADENING USE OF GUIDE S IGN A R R OWS F A IL TO P R OV IDE DIF F E R E NTIA TION
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BROADENING USE E R R A TIC US E OF GUIDE S IGN A R R OWS F A IL S TO P R OV IDE DIF F E R E NTIA TION toXcel, LLC
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ERRATIC USE OF GUIDE S IGN A R R OWS L E A DS TO CONF US ION A B OUT THE L OCA TION A ND NUMB E R OF E X ITING MOV E ME NTS
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COMPOUNDING THE P R OB L E M OF B R OA DE NING A ND E R R A TIC US E
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1
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WHAT DOES THIS MEAN?
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STANDARD ARROWS
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ARROW ORIENTATION AND TYPE MA TTE R S . . . . . . A S DOE S THE L OCA TION OF THE S IGN!
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ARROW ORIENTATION AND TYPE MA TTE R S . . . . . . A S DOE S THE L A Y OUT OF THE S IGN L E GE ND!
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DIFFERENTIATION HELPS US K NOW WHA T’S A HE A D
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ROOT CAUSES? • CONFLICTING AND AMIBIGUOUS REGULATIONS • REFUSAL TO INNOVATE OR CHANGE • POOR UNDERSTANDING OF HUMAN FACTORS PRINCPLES • NO UNDERSTANDING OF THE CONSISTENCY PRINCIPLE • LACK OF RESOURCES • APATHY AND DEFEATISM • POOR EXAMPLES IN NEARBY AREAS • [YOUR IDEA HERE!]
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“ Rather than throwing more regulations at people and creating highly-prescriptive environments where flexibility cannot be understood, let alone applied, it would be more advantageous were we to teach them how to apply the principles we want them to use and give them practical case studies from which they can learn.“ toXcel, LLC
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ADDRESSING THIS ISSUE • CONVERSATION BETWEEN HUMAN FACTORS ENGINEERS IN TRANSPORTATION AND MACHINE VISION AND LEARNING ENGINEERS • IMPROVED OVERSIGHT OF LOCAL AGENCIES • DEVELOPMENT OF LEVEL OF READINESS CRITERIA • EVALUATION PROGRAMS AND SERVICEABILITY AUDITS • MACHINE VISION LEARNING CLEARINGHOUSE • COLLABORATION WITH POLICY DEVELOPMENT ANALYSTS • $$$$$$ toXcel, LLC
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THANK YOU S c ot t O. K u z n i c k i , P .E . s c ot t .k u z n i c k i @t ox c el .c om
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