Truss enhanced bridge girder
Tunnelling method
Turbo tumbler
Turf sweeper and debris removal machine
Turf-simulating device
Turnout unit for railway track
Turnout/crossover section for railway track
Turnout/crossover section for railway track
Turntable rail switch for transport systems
Twin discharge conveyor for a truck mounted spreader system
Twin feed fertilizer spreader
Two piece rail fastening assemblies for wooden cross ties
Two stage process for rejuvenating asphalt-paved road surfaces
Two stage snow plow
Two stage snow plow
Two stage snow plow
Two-handled shovel
Two-level highway design
Two-piece rail seal clip and tool for installing same
Ultrasonic grade and auger control