When driving on the expressway, make sure you:

• Signal all lane changes
  Explanation:

  "To ensure safe lane changes on the expressway, always use your turn signals to communicate your intentions to other drivers. This practice aids in maintaining smooth traffic flow and preventing accidents. Avoid cutting off vehicles abruptly or changing lanes without adequate signaling."
• Swiftly cut off vehicles behind you when changing lanes
• Turn off your directional signal before changing lanes
• All of the above