4 x Single Lane Radius 3 Curve 22.5 degree. Shown with C7019 Radius 3 Single Lane Curve Outer Border. The single lane half-straight can be used in conjunction with C7014 & C7015 Pit lane sections to build exciting track features. Use with C7016 Single Lane Half Straight to design single lane rally stages or pit roads, etc. This sections is compatible with both Digital & standard Scalextric layouts.