h2 {cartools}R Documentation

Space headway h2 at time t2, the time the following vehicle driver sees the lead vehicle has decelerated.

Description

Space headway h2 at time t2, the time the following vehicle driver sees the lead vehicle has decelerated.

Usage

h2

Format

h2 is the headway hsafe(u2) where u2 is the lead vehicle speed at t = t2.

h2

headway between lead and following vehicles, measured in feet.


[Package cartools version 0.1.0 Index]