freeflowpass: The 'freeflowpass' function estimates the relative locations...
In cartools: Tools for Understanding Highway Performance

Description Usage Arguments Value Examples

The freeflowpass function estimates the relative locations of two vehicles where one passes the other.

1	freeflowpass(tstart, tend, umn, usd, xstart, xfunnel, leff)

`tstart`	start time, a number
`tend`	end time, a number
`umn`	start speed (mph) for vehicle in lane 1, a number
`usd`	speed volatility for `umn`, a number
`xstart`	start location for vehicle in lane 1 (feet), a number
`xfunnel`	upstream location where the lane drop starts (feet), a number
`leff`	effective vehicle length(feet), a number

freeflowpass uses a deterministic model to show the locations of vehicle accelerating to pass another vehicle traveling side-by-side at the same speed.