Topic of the lesson

123456
Across
  1. 2. Visiting interesting places in a city when you travel.
  2. 5. A train system that runs through tunnels.
  3. 6. A bus that travels long distances between cities.
Down
  1. 1. A place where two streets meet.
  2. 3. Buses, trains and cars are ways to move from one place to another. They are means of ______.
  3. 4. Lights on the road that tell cars when to stop and when to go.