F.ttp_begin({
 stn = "Namespace Mountains", -- station name
 tt = "E85_S", -- timetable ID
 depint = "05;00", --departure slot interval
 depoff = "02;30", --departure slot offset
 doorside = "L",
 reverse = true,
 only_lines = { E85 = true },
 force_tt_reset = false,
})