NS Intercity Materieel

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NS Class 4000/4200
ICM4-Apeldoorn (Asselsepad) 20090818.JPG
An unrefurbished ICM at Veluwe
In service 1977 – present
Manufacturer Talbot
Number built 144
Formation 3 cars (4000)
4 cars (4200)
Capacity 4000 – 35 (1st), 163 (2nd)
4200 – 59 (1st), 198 (2nd)
Operator(s) NS Reizigers
Maximum speed 160 km/h (99 mph)
Power output 4000 – 1,248 kW (1,674 hp)
4200 – 1,872 kW (2,510 hp)
Electric system(s) 1.5 kV DC Catenary
Track gauge 1,435 mm (4 ft 8 12 in) standard gauge
4005 in Utrecht

The Intercity Materieel or ICM (English – Intercity Material) is an electric multiple unit (EMU) train type operated by the Nederlandse Spoorwegen in the Netherlands. The prototypes were built in 1977, and production lasted from 1983 to 1994 by Talbot.


  • Intercity Materieel
  • Koploper
  • ICM
  • Plan Z

General information[edit]

The trains are designed for long-distance Intercity services. Their maximum speed is 160 km/h. Their cabs are on the roof, which initially allowed through gangways between sets when coupled together, though the gangways were sealed during their refurbishment. Refurbishment of sets began in late 2006 and completed in 2011. The trains have compartments in the 1st class accommodation.



In 1977, a prototype batch numbered 4001–4007 were delivered. They first operated between Eindhoven and Venlo and then later between Amsterdam and Nijmegen. These were taken out of service in 2003, as NS considered them to be too expensive to keep running.

ICM-1 and ICM-2[edit]

These were numbered 4011–4097 and were first introduced into service in 1983. All were delivered by 1990. These had been adjusted to remove the faults of the ICM-0. 4051–4097 are Thyristor controlled.

ICM-3 and ICM-4[edit]

Between 1990 and 1994, 50 4-car units were delivered, numbered 4201 – 4250. These have track brakes. Between 1996 and 2007, unit 4231 had a full coach converted to 1st class and was renumbered 4444. This unit only operated one train a day between Groningen and The Hague. It has since been converted back to a regular carriage, but it continued carrying number 4444 at first. After its revision in 2011, this unit was given its original number (4231) back.

Through gangway[edit]

The through gangway in operation

The train's name of Koploper translates as head walker (i.e. walking through the head). When ICM units joined, the doors at the end of the train would come out, and a walkway would emerge, coupling with the other set and allowing passengers to walk through to the next set. However, since 31 October 2005, these were put out of use. The reason given was that they were not used, but they also had many technical problems that made the trains late on a regular basis. During their refurbishment from 2006 onwards, these hallways were sealed shut, saving the NS €200,000 p.a.

Refurbishment and renewal[edit]

4012 at Apeldoorn

From November 2006, the Koploper went through a process of refurbishment. The 4011–4097 series first went into a renovation. The first train left NedTrain's workshop in Haarlem in April 2007 and then put into the regular service. These sets feature new interiors with 13% more seats. One could distinguish apparent differences between 1st and 2nd Class. First class consists of red seats and second class consists of blue seats, equal to SGMm units. Meanwhile, one improved the wheelchair toilet, installed air conditioning and digital travel information. On the exterior, the train sets were repainted showing blue window surrounds curving at the ends of units. Numbers are now nearer the front of the train. The connectors diverting the train compartments were revealed and digital destination screens were put at the trains ends. The renewal of the series 4011–4097 completed in June 2010. Refurbishing and renewing of the 4-car units took place between February 2010 and July 2011.


4028 at Zwolle
Olympic livery

Between 1986 and 2002 many sets featured adverts.

  • In 1986, in relation to the opening of the Amsterdam – Schiphol railway line, two units were painted in the colours of airplanes. 4011 was painted in KLM colours and 4012 in the colours of Martinair.
  • 4011, 4012 an 4024 were painted in the colours of Aegon
  • 4050 was painted in the colours of Randstad and later in De Lage Landen colours.
  • 4023 advertised the Groningen Museum, but still in NS colours from 1999. This had white doors at the end of the train, and altered interiors.
  • 4028 was put in an advert for the Children's Book Week in 2004
  • 4201 and 4241 had Orange Olympic adverts, such as VIRM 9520 and 9525. During refurbishment adverts were removed.

Services operated[edit]

Series Train Type Route Material Notes
500 Intercity Rotterdam CentraalRotterdam AlexanderGoudaUtrecht CentraalAmersfoortZwolleAssenGroningen ICM, VIRM
1400 Nachtnet Utrecht CentraalAmsterdam CentraalSchipholLeiden CentraalDen Haag HSDelftRotterdam Centraal ICM / VIRM
1500 Intercity EnkhuizenBovenkarspel FloraBovenkarspel-GrootebroekHoogkarspelHoorn KersenboogerdHoornAmsterdam SloterdijkAmsterdam CentraalHilversumAmersfoort (- ApeldoornDeventer) ICM, VIRM One train per hour extended to Deventer
1600 Intercity SchipholAmsterdam ZuidDuivendrechtHilversumAmersfoortApeldoornDeventerAlmeloHengeloEnschede ICM
1900 Intercity Den Haag CentraalDen Haag HSDelftRotterdam CentraalDordrechtBredaTilburgEindhovenHelmondDeurneHorst-SevenumBlerickVenlo ICM
9100 Sprinter ZwolleMeppelHoogeveenBeilenAssenHarenGroningen ICM
11600 Intercity SchipholAmsterdam ZuidDuivendrechtHilversumAmersfoortAmersfoort Schothorst ICM
12500 Intercity Rotterdam CentraalRotterdam AlexanderGoudaUtrecht CentraalAmersfoortZwolleSteenwijkHeerenveenLeeuwarden ICM