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Technical Information

Technical Information

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On this page: Geological profiles

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Aotea Station

Karangahape Road Station

Mount Eden Station

Bored tunnels

Signalling scheme plans


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Technical information

Geological profiles

These drawings indicate the inferred geological layers along the CRL route from site investigations that have been carried out.

Map of locations of the geological long - and cross-sections (PDF 440KB)


Geological and hydrogeological model long section 1 (PDF 412KB)


Geological and hydrogeological model long section 3 (PDF 526KB)


Geological and hydrogeological model long section 5 (PDF 355KB)

Geological and hydrogeological model long section 7 and key (PDF 312KB)


Geological and hydrogeological model long section 2 (PDF 440KB)


Geological and hydrogeological model long section 4 (PDF 440KB)


Geological and hydrogeological model long section 6 (PDF 101KB)



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