There are variuous ways to create a plastic off-road track. But noone actual in 1:32 scale.
SCX off-road track (1:32)
SCX, in Tecnotoys era, maque a off road track in brown color simulating rocks (a grey track are previous, made by EXIN).
Permits only 2 lanes (2 cars in parallel)
Only one Scalextric standars radius curve (Width borders)
Standars Straight and half straight.
Up and down half pipes.
Compatible width Scalextric/SCX classic track hokes. Transition track is available.
Available in omly one initiation box and a onli ampliation box.
Discontinuated!
Ninco track (1:32 ~ 1:24)
The spanis slot brand NINCO make a off road tracks.
Two version are availabe: smooth and rough.
Four lanes are possible because two radius (tandars and inner ) curves are available.
Straigh tracks.
Up and down half pipes.
No borders availables.
Compatible width NINCO track. Ttansition track is available.
Add obstacles is possible.
Discontinuated!
STS 4×4 by EXIN (Scalextric Spain) (1:43)
Four lane possible (only 90º curves in inner curves) possible.
Curve borders availables (ATENTION: two border epochs incompatibles!)
Two versions of surface are availabe: smooth and rough.
Up and down half pipes.
Obstacles are possible.
Tibetan bridge.
Discontinued. Degrades plastic are sure brittle.
WRC (1:43)
The official World Rally Championchip slot track.
Originaly manufactured by NINCO and now abbsorved by Fabrica de Juguetes.
Available in starter sets width varius surfaces mixed.
No ampliation parts are possible.
Available in stores.