 In the peak, additional Regionalbahn services run on the Gießen–Grünberg–Mücke route, two of which end in Grünberg.Since the 2016/2017 timetable change on 11 December 2016, services on the Vogelsberg Railway (formerly RB 35) and the subsequent Lahn Valley Railway (formerly RB 25) have run as RB 45.Grünberg station is served by several bus lines that connect the town and the surrounding area.