What do the white arrows painted on the pavement at an intersection indicate?

• Drivers may move only in the direction of the arrows.
  Explanation:

  "A white arrow painted on the lane indicates that drivers must follow the direction shown by the arrow. They are not allowed to go in any other direction while in that lane."
• The maximum speed limit allowed in that lane.
• The start of a pedestrian crossing where drivers must yield.
• Drivers may proceed through the intersection without stopping.