- Time of day as rush hour will be busiest
- School start and ending times that have children on the sidewalk and crossing the street
- Events at the school requiring parents to drive to school
- Fire emergencies
- Reduced flow of traffic from north/south road during the day
- Pedestrian and bike traffic crossing the street
- Fire trucks entering or returning from station
Variables we can control
Variables we must account for
- Start and ending times of school
- Start and ending times of school events
- Speed on streets
- Left and right turns on north/south street
- Crosswalk use by building an overpass
- Length of time green light is on for each direction
- Length of time the walk light is green
- Left turn arrows on traffic light
- Red light in all directions for fire emergencies
- Time and frequency of fire emergencies
- Number of cars traveling on each road
- Start and end of rush hour
- Speed of cars ignoring speed limit