- 問題詳情:Zebracrossings-thealternatingdarkandlightstripesontheroadsurface-aremeanttoreminddriversthatpedestriansmaybetryingtogetacross.Unfortunately,theyarenotveryeffective.A1998studydonebytheDepartmentofTrafficPlanningandEngineeringatSweden'sLundUni...
- 24217
- 問題詳情: Zebracrossings-thealternatingdarkandlightstripesontheroadsurface-aremeanttoreminddriversthatpedestriansmaybetryingtogetacross.Unfortunately,theyarenotveryeffective.A1998studydonebytheDepartmentofTra...
- 11308
- 問題詳情: Zebracrossings-thealternatingdarkandlightstripesontheroadsurface-aremeantt。reminddriversthatpedestriansmaybetryingtogetacross.Unfortunately,theyarenotveryeffective.A1998studydonebytheDepartmentofTrafficPlanningandEngineeringatS...
- 16704