‹#›
Basic Equations
Crashes
Prevented
=
Crashes
without
X
Crashes
with
Crashes
without
1-
Effectiveness
=
Crashes
with
Crashes
without
1-
National
crash
databases
Process
:
1. Break down target crashes to
pre-crash scenarios
where system effectiveness may vary
2. Estimate system effectiveness in each dynamically-distinct pre-crash scenario
