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EP 3 411 867 A1

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(43) Date of publication: 12.12.2018 Bulletin 2018/50 (21) Application number: 17733256.6 (22) Date of filing: 13.06.2017

(51) International Patent Classification (IPC):  G08G 1/0967(2006.01) (86) International application number: PCT/US2017/037292 (87) International publication number: WO 2017/218562 (21.12.2017 Gazette 2017/51)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 17.06.2016 US 201615185531 (71) Applicant: Traffic Technology Services, Inc. Beaverton, OR 97006 (US)	(72) Inventors: BAUER, Thomas Beaverton OR 97006 (US) MA, Jingtao Portland OR 97229 (US) HATCHER, Kyle, Zachary Portland OR 97221 (US) PELLEKOORNE, Paul-Gerard, Joseph Albert Beaverton OR 97006 (US) OFFERMANN, Frank Beaverton OR 97006 (US) (74) Representative: Dendorfer, Claus et al Dendorfer & Herrmann Patentanwälte Partnerschaft mbB Neuhauser Straße 47 80331 München 80331 München (DE)