Drive on the right half of the roadway except when:

• Driving on a road divided into three or more marked lanes
• Driving on a road designed and posted for one-way traffic
• Directed by a police officer or traffic control device
• All of the above
  Explanation:

  "Drive on the right half of the roadway except when: 1) Driving on a road divided into three or more marked lanes. 2) Driving on a road designed and posted for one-way traffic. 3) Otherwise directed by a police officer or traffic control device."