34 11 00 Rail Tracks
34 11 16.13 In-Track Butt-Welded Track Rail
34 11 13 Track Rails 34 11 13.13 Light Rail Track 34 11 13.23 Heavy Rail Track 34 11 16 Welded Track Rails 34 11 16.13 In-Track Butt-Welded Track Rail 34 11 16.16 Pressure-Welded Track Rail 34 11 16.19 Thermite-Welded Track Rail 34 11 19 Track Rail Joints 34 11 23 Special Trackwork 34 11 23.13 Ballasted Special Track Rail 34 11 23.16 Direct-Fixation Track 34 11 23.23 Running Rail 34 11 23.26 Precurved Running Rail 34 11 26 Ballasted Track Rail 34 11 26.13 Track Rail Ballast 34 11 26.16 Track Rail Subballast 34 11 29 Embedded Track Rail 34 11 33 Track Cross Ties 34 11 33.13 Concrete Track Cross Ties 34 11 33.16 Timber Track Cross Ties 34 11 33.19 Resilient Track Cross Ties 34 11 36 Track Rail Fasteners 34 11 36.13 Direct-Fixation Fasteners 34 11 39 Track Collector Pans 34 11 39.13 Fiberglass Track Collector Pans 34 11 93 Track Appurtenances and Accessories