dfmanager is a wrapper function for brktrials2dfmanager is a wrapper function for brktrials2
dfmanager(nveh, tend, umn, usd, xstart, xfunnel, leff, lane, step)number of vehicles in the simulation, a number
end time for a simulation run, a number
start speed (mph) for vehicle in lane 1, a number
speed volatility for umn, a number
a vector of nveh start locations, (feet), a vector
upstream location where the lane drop starts (feet), a number
effective vehicle length(feet), a number
a vector of nveh numbers, a vector
size in seconds, a number
dfmanager returns t-x trajectories of nveh vehicles at a bottleneck.