Testing Update
Summer might be over, but sand is still making an appearance—this time in the form of 45 tonnes of sandbags loaded into a test train as part of the latest dynamic testing phase for Auckland’s City Rail Link (CRL).
Why Sandbags?
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Purpose: Simulate the weight and distribution of a fully loaded passenger train
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Objective:
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Verify tunnel and platform clearances
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Assess how the train moves and responds under full load conditions
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Ensure safety and performance under peak passenger volumes
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Test Train Partners
This testing effort was a collaborative success, involving:
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Link Alliance – Leading the dynamic testing operations
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Auckland Transport – Operator and stakeholder
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City Rail Link Ltd – Project owner
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Auckland One Rail – Supporting operations
Looking Ahead
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CRL remains on track for opening in 2026
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These critical tests are part of ensuring the system is safe, reliable, and ready for service on day one
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