For some reason, our old #RailNatter on the Welsh railway network went viral earlier this year, so I thought I'd take the chance to dig into the culmination of that episode and dive into what a north-south main line for Wales might look like...

If you like maps, alignment design, deciding where to put a railway, and understanding the bigger picture on railway proposals, then this is the episode for you! Also, there will be: maps galore, costings, timings, politics, opportunities and challenges. It's all here!

Join LIVE at 7pm on Wednesday!

The original episode that sparked all this off: https://www.youtube.com/watch?v=SyJBN...

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