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nhgriffith

Tunnels?

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Is there a minimum length for tunnels in SC4?  I'm experimenting with some ideas on making a pseudo-elevated highway (in which the road is simply on raised land and underpasses are tunnels under through the land).  I want to see how this looks... but I can't get tunnels to build.  Is there a minimum length to get SC4 tunnels to build?  Also, what's the minimum terrain height for the various tunnels (road, avenues, rail)?

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You need one tile of empty space right on top of each tunnel entrance.  The old Hole Digging lots used to include notes on the different tunnel heights, but I don't think the new ones do.  It's somewhere around 8-10 m for rail, and 12-15 m for roads and highways and the like.

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  • Original Poster
  • You need one tile of empty space right on top of each tunnel entrance.

     

    Yea, this is the part I was messing up.  I kept making the hill wider and wider for the tunnel, and it just wouldn't go through no matter how long I made it.  I finally deleted the road pieces at the edge of the hill I used to flatten out the top, and it made it.

     

    With roads and avenues, I was able to make tunnels through hills as low as 7.5M.  And the tunnel length was like 4 hill tiles, plus 2 tiles for the entry/exit pieces.

     

     

    Now I need some cosmetic pieces that can maybe fix up these entryways... they look horrendous...

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    A tunnel mod helps as well, it will reduce the height requirements to create one, and WMP makes some pretty decent skins, and rivet has a tunnel mod that gives you many options which I think you will find inventive

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