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In page Tel Aviv–Jerusalem railway:

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A notable stumbling block, still unresolved as of January 2008, is the issue of where to put the excess dirt dug up in the tunnels. Temporary mounds have been created, but this method, aside from hurting the environment, will be insufficient for the main tunnel (Tunnel 3).[1] Israel Railways has also come to odds with the engineering company, Ami Mtom, responsible for the project involving additional payments to be made due to changes made to the original design of the railway, which is likely to further delay progress.[2] Additional dirt will be dumped in a new landfill on a site next to the Sha'ar HaGai interchange between Tel Aviv and Jerusalem.[3]