Which of the following could cause a bicyclist to slow down or move into your path of travel?

• Marked crosswalks or bicycle boxes at intersection
• Potholes, glass, litter, storm grates, and railroad crossings
• Opened doors of parked vehicles
• Both B & C
  Explanation:

  "Road hazards could include potholes, glass, litter, storm grates, and railroad crossings, as well as opened doors of parked vehicles. Any of these items could cause a bicyclist to move into your path or to slow down. "