Railways: Japanese Knotweed

Department for Transport written question – answered on 22nd October 2018.

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Photo of Baroness Randerson Baroness Randerson Liberal Democrat Lords Spokesperson (Transport)

To ask Her Majesty's Government what assessment they have made of the financial implications of the invasion of Japanese Knotweed onto railway lines; and who is responsible for meeting the costs of clearing Japanese Knotweed from railway lines.

Photo of Baroness Sugg Baroness Sugg Parliamentary Under-Secretary (Department for Transport)

The infrastructure manager of Britain’s railways, Network Rail, are responsible for assessing and meeting the costs of clearing Japanese Knotweed from railway lines.

This invasive species is estimated to cost Network Rail £2.5 million each year to manage. This includes areas covered by Japanese Knotweed on the railway line and at the trackside.

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