Since that time, cities across the country have implemented such programs with varying levels of success.
The new city drew up and implemented its municipal general plan in 1972.
Several private companies and other cities have implemented similar changes in recent years, he said.
In response, the city implemented drastic plans to curb urban traffic.
Later, the city implemented checkpoints during late night hours in problem areas.
No American city has yet implemented such a needle program.
Many cities have proposed, or are implementing metros and mass transit systems.
"If that doesn't happen, then the city will not and should not implement the contract."
In June 2005, the city fully implemented the segregation of wastes as mandated by law.
The city will also implement a 10% commercial parking tax to set in over a three-year period beginning July 2007.