H (S-train)

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H
H train at Nørreport station
Overview
Status	Operational
Owner	Banedanmark
Locale	Metropolitan Copenhagen
Termini	Østerport Frederikssund
Stations	30
Service
Type	Suburban rail, urban rail
System	S-train
Operator(s)	DSB
Rolling stock	Litra SA and SE
History
Opened	31 May 1987; 37 years ago (1987-05-31)
Technical
Line length	21 km (13 mi)
Number of tracks	2
Character	Commuter rail
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Electrification	1500 V DC overhead lines
Operating speed	80–120 km/h (50–75 mph)
Route map Legend Østerport Nørreport Vesterport Copenhagen Central Dybbølsbro Carlsberg Valby Flintholm Vanløse Husum Herlev Malmparken Ballerup Måløv Kildedal Veksø Stenløse Gammel Toftegård Ølstykke Frederikssund

H is an S-train service in Metropolitan Copenhagen, Denmark that serves mainly the outer part of Frederikssundbanen, running partially non-stop between Ballerup and Flintholm. It is one of the six base lines of the S-train network, running every 20 minutes all days from about 5:00 until 1:00. It is the only base line in the network whose frequency is not doubled in the daytime; instead approximate 10-minute service on the outer part of the radial is provided by extending some trains on service C from Ballerup to Frederikssund.^[1][2] On Friday and Saturday nights there is also a 30 minutes service throughout the night.