Each portal is wide enough for one track to pass through

This is Bachmann 47108 O Shell 3-Dome Tank 3-Rail Car SCCX #1245

Model Number: 12140

this split level house has a second story over the garage

Model Number: 62072

Fleischmann 919001 N TRACK SET A1 VariantsUnitPrice_number_36.94 Each portal is wide enoughThis is a Fleischmann 919001 N Scale Track Set A1. Content: 1 straight track 9100, 1 straight track 9101, 1 right hand point 9171, 1 buffer stop 9116. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Fleischmann Model Number: 919001 Scale Era: N Scale Model Type: Track The Trainz SKU for this item is P12287899. Trainz Product Id: 12287899