Started by PJMack, November 24, 2021, 11:59:19 PM
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Quote from: jamespetts on January 29, 2022, 05:55:13 PMAs to the iron elevated way, whether to have a separate one for rail and road really depends on the reason for the difference: was there something inherent about railways that meant that a type designed for road usage was fundamentally incompatible? If so, having a separation would make sense. If so, having a separation would make sense. Was the issue more that the early types could not handle the weight of rail vehicles, or were too expensive to be worthwhile for roadways? In which case, this would not justify a separation of types, and we should instead have these weight/cost limitations embedded into the single structure.
Quote from: jamespetts on January 29, 2022, 05:55:13 PMIncidentally, the most significant elevated way support type so far missing from the new system is the wooden trestle - is that something that you had planned to add?