PEOPLE ON THE MOVE

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Across
  1. 2. the centre of a city, especially its main business area
  2. 3. a person who is paid to work for somebody
  3. 4. another word for traffic jam
  4. 5. the practice of working from home, communicating with your office, customers and others by telephone, email, etc.
  5. 6. the system of buses, trains, etc. provided by the government or by companies, which people use to travel from one place to another
  6. 10. the time when the streets are full of traffic
  7. 12. a person or company that pays people to work for them
Down
  1. 1. the process of making air, water, soil, etc. dirty; the state of being dirty
  2. 3. waste gases that come out of a vehicle, an engine or a machine
  3. 7. the state of being crowded and full of traffic
  4. 8. a situation in which a driver becomes extremely angry or violent with the driver of another car
  5. 9. a person that travels to work regularly
  6. 11. if a group of people travels to work together in one car and divide the cost between them