Technical Reports
PTC 220 MHz Radio: ITCR Closed Track Test 1 Test Report
The first phase of closed track testing, referred to as CTT 1, of the PTC communication system entailed the installation and operation of the PTC communication system at the Transportation Technology Center (TTCI) located near Pueblo, Colorado. This facility was used to test the communication...PTC 220 MHz Radio: SD-70M Locomotive EMI Intermodulation Testing Final Report
This approach is deploying multiple antennas was developed by UP, consisting of two roof top boxes instead of the conventional antenna systems used by most other railroads. One of these antenna box systems has been installed on UP 4620, an SD-70M locomotive with DC traction motors. The antenna box...Highway-Rail Intersection GPS-Based In-Vehicle Warning Systems—Literature Review and Recommendations
In 2008, there were 2,395 incidents at highway-rail intersections (level crossings) in the United States, resulting in 939 injuries and 287 fatalities. Crossing elimination, grade separation, and the implementation of traditional warning devices are not always economically feasible. The...