Table 1.

Probability of target impact (1 to 3 points).

Occasional use (1 point)

  • low-use roadways (i.e., dead-end roads, turnarounds)


Intermittent use (2 points)

  • roadway intersections in high-use areas

  • parking lots adjacent to moderate- and low-use areas

  • dispersed picnic areas


Frequent use (3 points)

  • high-use roadway

  • all buildings and residences

  • schoolyards

  • specially marked handicap-access areas

  • parking lots