The Neumünster–Heide railway is a single-track, non-electrified railway line the German state of Schleswig-Holstein, connecting the city of Neumünster in central Holstein and Heide, the seat of the district of Dithmarschen.

The Hamburg-Altona–Kiel railway is one of the most important main line railways of the states of Schleswig-Holstein and Hamburg in Northern Germany. The line runs through the region of Holstein and connects the cities of Hamburg, Elmshorn, Neumünster and Kiel. The 105 km (65 mi) long standard gauge double track electrified railway line is now owned by DB Netz.