Welcome to Wikipedia. Everyone is welcome to contribute to the encyclopedia, but when you add or change content, as you did to the article Tyne Tunnel, please cite a reliable source for your addition. This helps maintain our policy of verifiability. See Wikipedia:Citing sources for how to cite sources, and the welcome page to learn more about contributing to this encyclopedia. Thank you. Biker Biker (talk) 22:15, 17 July 2012 (UTC)
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Please stop adding unsourced content, as you did to Tyne Tunnel. This contravenes Wikipedia's policy on verifiability. If you continue to do so, you may be blocked from editing Wikipedia. Biker Biker (talk) 06:00, 18 July 2012 (UTC)