What type of crosssing a + shape or x shape? You should be able to create your own in MED by merging to straight tracks then rotate either or both to the type of crossing you want. Also you may have to edit the skins abit.
Windows XP SP3 Intel Dual Core CPU: E5200 @ 2.5GHz 4.00GB DDR3 Ram ASUS P5G41T-M LX PCIE x16 GeForce GTS 450 1Gb SB Audigy 4 Spyware Doctor with AntiVirus
np, I just remembered that someone done some kind of demo train sim a while ago. I think it wasan AUM contest and was for A6.5. Have a look on the AUM site. You may have to contact the author for permission to use any items in your project. Hope this helps.
Windows XP SP3 Intel Dual Core CPU: E5200 @ 2.5GHz 4.00GB DDR3 Ram ASUS P5G41T-M LX PCIE x16 GeForce GTS 450 1Gb SB Audigy 4 Spyware Doctor with AntiVirus