Describe the Suggestion

for now we can build a tracks length 128
But this is not enough for us to build some special transportation systems, just like high-speed rail, the minimum turning radius also needs to be 2800 meters, maybe we can consider making long rails?
This is just an idea, not too realistic, because if it can be realized, perhaps more ambitious construction can be completed

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Additional Context

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I second this.. and or add the ability to set the arc of a radius... having a large diameter to go around with a such a steep ark is making laying track near imposable.