R/h1.R

In cartools: Tools for Understanding Highway Performance

#' Space headway \code{h1} at time \code{t1}, the time the following vehicle initiates deceleration.
#'
#' @format \code{h1} is the minimum headway of based on the following vehicle sight-line and \code{hsafe(u1)} where \code{u1} is the lead vehicle speed at \code{t} = \code{t1}.
#' \describe{
#' \item{h1}{headway between lead and following vehicles, measured in feet.}
#' }
"h1"