Laser-cut 2-lane curved Wood Grade Crossing Curved 2-lane highway crossings available in 6 different radiuses in HO and N scale. These crossings are prototypically correct with a straight board arrangement. No un-prototypical curved boards on these crossings. Each set includes two complete crossings, with laser etched boards & nail holes. Ready to paint and install on your highway and road crossings. These crossings will fit curves with a radius plus or minus one inch of the listed radius (i.e. #128, 24" radius crossing will fit 23"-25" radius curves). Also included are plastic shims to fit different rail heights. 18" fits 17-19" radius. 2 Sets.