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41 APT Advance preemption time AREMA American Railway Engineering and Maintenance-of-Way Association BT Buffer time CT Clearance time CWT Constant warning time GD Gate down LADOT Los Angeles Department of Transportation LRT Light rail transit MUTCD Manual on Uniform Traffic Control Devices for Streets and Highways MWT Minimum warning time ODOT Ohio Department of Transportation RTT Right-of-way transfer time TCGI Track clearance green interval TTG Time to green TxDOT Texas Department of Transportation UPRR Union Pacific Railroad ABBREVIATIONS AND ACRONYMS
