collision density

collision density

[kə′lizh·ən ‚den·səd·ē]
(physics)
The number of collisions of a specified type per unit volume per unit time.
References in periodicals archive ?
They cover collisions as spatial events; collision density in two-dimensional space; road safety as a public health issue; risk and socioeconomic factors; road collisions and risk-taking behaviors; road collisions and urban development; the nature of spatial data, accuracy, and validation; collisions in networks; cluster identifications in networks; traffic volume, road environment, and distance traveled as exposure factors; enforcement; engineering; education; and road safety strategy.
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