Write each word in blue next to the correct meaning. 

1. _neighborhoods_  parts of a city where people live near one another

2. ____ electric vehicles on rails for transporting people

3. ____ a system of vehicles such as trains, taxis, and buses that are used by the public

4. ____ a set of red, yellow, and green lights that help control the traffic

5. ____ large buildings with many apartments

6. ____ gardens on the roofs of buildings