User talk:Micwill

Secondary Incidents
Secondary incidents are traffic incidents that occur on roadways as a result of a primary incident. This can include vehicular crashes, traffic congestion, or debris on roadways. Secondary incidents are usually more severe than the initial incident frequently resulting in fatalities or injuries to incident responders. Secondary incidents are common in areas with heavy congestion. Motoist that are distracted are more likely to be involved in a secondary incident.

Highway Incident Management
Highway Incident Management: the process of mitigating traffic incidents on highways for the purpose of reducing congestion and secondary incidents.

Crash Modification Factor (CMF)
Crash Modification Factors: Factor applied to a crash prediction model showing the effects of a particular countermeasure.

Common Crash Modification Factors (CMFs)

 * lane width
 * shoulder width
 * shoulder type
 * grade
 * superelevation
 * horizontal clearnace
 * median width
 * median type
 * access control

Crash Reduction Factor (CRF)
Crash Reduction Factors: the percentage of crashes that are expected to be decreased after making roadway improvements at a specific location.