Peco Streamline #SL-89 Large Radius Left Hand Code 100
If you wish to mix wheel standards on your 00/H0 layout, this is the trackage to choose. Code 100 rail allows flange depths up to 1.6mm which means that both vintage and current stock will run happily together.
Code100 - Insulfrog
Length: 258mm
Nominal Radius: 1524mm
Crossing Angle: 12 degrees
The long gradual curve means that plenty of space is required, if this is no issue then the scale realism makes this the turnout to use.