Originally Posted by Dan Pierce
Note that trainli track is the same texture/color as LGB and they offer switches without any point controls (users add their own manual/electric/air). Also they have the R3 (3 foot radius/6 foot diameter ) switch that no one else has.
Unless Trainli differs from the other manufactures, R3 represents ~8 foot diameter (4 foot radius). This is the same as the LGB "1600/16000" curves.