Seoul, Nov 30 (AFP) A train carrying South Korean engineers and officials crossed into the North on Friday to begin a landmark joint survey to reconnect railway tracks between the two Koreas.

Linking up the railway systems was one of the agreements made earlier this year in a key meeting between North Korean leader Kim Jong Un and the South's President Moon Jae-in.

It is the first time since 2007 a train from the South has entered North Korea.

TV footage on Friday showed a red, white and blue train -- displaying a banner reading "Iron Horse is now running toward the era of peace and prosperity" -- pull away from the South's Dorasan station, the nearest terminal from the western part of the inter-Korean border.

"This signals the start of co-prosperity of the North and the South by reconnecting railways," Transport Minister Kim Hyun-mee said.

She added the railway reconnection would help expand the country's "economic territory" to Eurasia by land, as the division of the Korean peninsula has left South Korea geopolitically cut off from the continent for many decades.

The six-carriage train is transporting 28 South Koreans including railway engineers and other personnel, and carrying 55 tonnes of fuel and an electricity generator.

There is a passenger coach, a sleeping coach, an office coach and a wagon loaded with water for showers and laundry.

When it arrives at Panmun Station -- the first North Korean terminal across the border -- the six carriages will be linked up to a North Korean train, and the South Korean locomotive will return home.

The South Koreans and their counterparts will live in the train, inspecting two railway lines for a total of 18 days -- one linking the North's southernmost Kaesong City to Sinuiju City near the Chinese border, and the other connecting Mount Kumgang near the inter-Korean border to Tumen River bordering Russia in the east.

They will travel some 2,600 kilometres on railway tracks together, the transport ministry said.

Before the division of the Korean peninsula in 1948, there were two railway lines linking the North to the South -- one in the west and the other in the east.

As a gesture towards reconciliation, the two Koreas reconnected the western line in 2007 and limited numbers of freight trains transported materials and goods to and from the Seoul-invested Kaesong industrial zone in the North for about a year.

But the line has since then been put out of service due to heightened tension over the North's nuclear development programme. (AFP) GVS

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