Grenaabanen is the train

Train

A train is a connected series of vehicles for rail transport that move along a track to transport cargo or passengers from one place to another place. The track usually consists of two rails, but might also be a monorail or maglev guideway.Propulsion for the train is provided by a separate...

 line going from Grenå

Grenå

Grenaa or Grenå is a town in central Denmark with a population of 14,308 . The town centre is about 2 km west of the east coast of the Djursland peninsula in Jutland's Region Midtjylland...

 to Århus in Denmark

Denmark

Denmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...

. It functions as a commuter train between in the Århus area. The route carries 1 million passengers annually.

The line is currently being upgraded in accordance with a law from 1999 about improving public transport

Public transport

Public transport is a shared passenger transportation service which is available for use by the general public, as distinct from modes such as taxicab, car pooling or hired buses which are not shared by strangers without private arrangement.Public transport modes include buses, trolleybuses, trams...

 in Denmark. Once the upgrades are complete, the track

Rail tracks

The track on a railway or railroad, also known as the permanent way, is the structure consisting of the rails, fasteners, sleepers and ballast , plus the underlying subgrade...

s will be able to support higher speeds. Additionally, new trains will replace the old rolling stock

Rolling stock

Rolling stock comprises all the vehicles that move on a railway. It usually includes both powered and unpowered vehicles, for example locomotives, railroad cars, coaches and wagons...

. However, the upgrade procedure has been delayed multiple times.
On July 2, 2009 DSB signed a contract with Siemens

Siemens

Siemens may refer toSiemens, a German family name carried by generations of telecommunications industrialists, including:* Werner von Siemens , inventor, founder of Siemens AG...

 for eight new Desiro

Desiro

The Siemens Desiro is a family of diesel or electric multiple unit passenger trains. The main variants are the Desiro Classic, Desiro ML, Desiro UK and the future Desiro City and Desiro RUS. The trains are mostly used for commuter and regional services, and their rapid acceleration makes them...

trains for this line.