Office of Operations
21st Century Operations Using 21st Century Technologies

Figure 1. Classical Approach to Signal Timing.

Flow Chart:

"Trigger Event" to "Determine Type of Timing Problem" to "Field Adjustment"

If No, to "Current Count Data?"

If No, to "Turning Movement Counts" to "Current Descriptive Data"

If Yes, to "Current Descriptive Data"

If No, to "Field Inventory"

If Yes, to "Prepare Organization Input"

To "Run Organization Program" to "Results Look OK?"

If No, to "Identify Problem" to Prepare Optimization Program Input"

If Yes, to "Convert to Output Controller Format" to "Enter Data Into Controller" to "Looks OK?"

If Yes, to "Parameter Changes Tiime and Date Manually Recorded, to "Time Process Complete"

If Yes, to "Adjust and Observe" to "looks OK?"

If No, to "Identify Problem" to Prepare Optimization Program Input"

If Yes, to "Convert to Output Controller Format" to "Enter Data Into Controller" to "Looks OK?"

If Yes, to "Parameter Changes Tiime and Date Manually Recorded, to "Time Process Complete"

 

Office of Operations