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| From the Editor's Desk - 01 Jun 2017 |
| Limiting the footprint of open-cut metro station excavations is an advantage of the Barcelona single-tube double-deck TBM tunnel station design, a concept being explored by the BART to San Jose extension project that has both tracks and platforms at stations accommodated in the one large diameter TBM drive. |
| From us, to you, to them - Direct by Design |
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