What do the broken yellow lines on this road signify?

• They indicate a no-passing zone for both directions of traffic.
• They indicate that vehicles can pass or change lanes if it is safe to do so.
  Explanation:

  "Yellow broken lines on a road signify that passing or changing lanes is allowed, but only if it can be done safely. This means that drivers must ensure there are no oncoming vehicles or other hazards before crossing the line to overtake another vehicle."
• They indicate a separation between the bicycle lane and the car lane.
• They indicate a pedestrian crossing zone where vehicles must stop.