1.   Greenman circulated a petition for the city to install a traffic light last summer.

2.   A bill was introduced two years ago in the Missouri General Assembly to allow cities to install cameras to enforce traffic signals.

3.   Chicago Comptroller Phoebe Selden said the rules would require the city to install a new computer system to track infrastructure costs.

4.   In that case, the city will install speed humps without approval of the residents.

5.   Small cities are installing Jersey barriers, and are training bomb-sniffing dogs.

6.   The city is installing a face-tracking photo system that can match the faces of spectators to a digital database of criminals and terrorists.

7.   The city must install locks on all fire station restroom doors, because some stations have only unisex bathrooms, causing problems between men and women.

8.   The city will install storm drains downtown, an area that previously had none.

9.   The city will also install spotlights to illuminate the facade.

10.   The city installed airport-style metal detectors at City Hall on Tuesday.