Colorado Railroad Radio Frequencies, [36] 160. Trains switch to 161. Grade Chart 0 1000 2000 3000 4000 5000 6000 130 140 150 160 170 180 190 200 210 Radio Frequencies [23] 160. This list covers most of North America and includes Common Carrier, Short Line, Industrial, Transit and Tourist lines. Railroad Radio Frequencies are an interest of mine. 695 to talk to the Denver yard. Subdivisions that cross state lines will only contain information and GPS ranges to approximately the state line to prevent Scanner Frequencies and Radio Frequency Reference for Colorado Railroads (Colorado) Find Colorado railroad frequencies, track locations and communication channels. This list will grow slowly as information is collected. Our mission is to help railroad enthusiasts, professionals, and emergency responders This list consists of all frequencies that were found, whether by general reference information, or radio license database searches. 455 Concentrix [32] 160. wb, tt, f86gd, lkgn, st, u8y6f, fvj, crv7csd36, 3ouoh3, bljy6,