PASSER Series of programs are
traffic control optimization programs designed by
Texas Transportation Institute.
The original authors of these programs were Dr. Carrol Messer, Dr. Dan Fambro, Dr. Edmond Chang and Dr. Nadeem Chaudhary - all from the Texas Transportation Institute.
- PASSER II - Traffic Optimization Software for Arterials
- PASSER III - Traffic Optimization Software for Diamond Interchanges
- PASSER IV - Traffic Optimization Software for Signal Networks
These programs are widely used all over the United States.