 In addition, four or five additional train pairs operate in the morning and afternoon peaks from Monday to Friday; these operate to/from Frankfurt (Main) Hauptbahnhof and, for operational reasons, run predominantly to/from Königstein.About every second train ends in Grävenwiesbach, while Brandoberndorf is served every hour.On Saturday, apart from a break in the morning, there is also a service every half hour between Grävenwiesbach and Bad Homburg until about 4 pm; and on Sundays there is an hourly service over the whole route.