This Blair Line HO Scale Wood Grade Crossing is ready to install on your highway and road crossings. Similar to those found all over North America, laser-cut wood kits are detailed with laser-etched boards and bolt holes. See the entire line of Blair Line HO Scale wood grade crossings. Give Motorists a Smooth Ride over the Tracks Add realism to your roads with these laser-cut wood grade crossings. These plank-style crossings feature laser-engraved plank and bolt details. Each highway grade crossing is fully assembled and ready to paint or stain and install.