TRANSYT 7F performs exhaustive search for cycle length. For each cycle, it starts by
calculating equal saturation splits and applying a hill-climbing method to optimize signal offsets
and splits. For this reason, its final results depend on the base timing plan supplied by the user.
Although it contains a good delay-based traffic model, TRANSYT 7F’s bandwidth analysis
model is not very good. Finally, learning to use TRANSYT 7F requires considerable effort. For
these reasons, many practitioners dealing with signalized arterials, especially in Texas, prefer not
to use it.