| Comment | Yep, except with a subway you've got the tunnel boring costs, alongwith everything else that goes along with it (land surveying, potential land acquisition, any difficulties with the tunnel boring can escalate the cost way higher than with a tram line). Not knowledgeable about maintenance costs in the long term though.
It's only my guess that subway maintenance could incur much higher costs, purely cause of the environment (water/flooding/corrosion issues mostly). |
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