This is Gargraves 117 O 3 Rail Phantom Tinplate Compact Remote Magnetic Uncoupling Track Section

Here is one pair of Atlas 180000 HO Scale 70 Ton Roller Bearing Trucks

This is a Kato 20-540 N Scale 15 Radius 30° Viaduct Single Curved UniTrack (Pack of 2)

Model Number: 19551

12 sections of this are required to make a full 72' diameter circle

Peco SL-E794BH O Long Crossing Electrofrog TrainzScore_number_3 This is Gargraves 117 OThis is a Peco SL E794BH O Long Crossing Electrofrog. Angle: 8, Length: 584mm (23in). Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Peco Model Number: SL E794BH MSRP: $256. 99 Scale Era: O Scale 2 Rail Model Type: Track The Trainz SKU for this item is P11676731. Trainz Product Id: 11676731