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The company says its Vital Positive Train Control (VPTC) System improves
safety and efficiency in signaled or dark territory, and including
integration with signaling equipment. VPTC reduces workload through
electronic delivery of information, the company says, adding that the
VPTC block configuration may additionally increase capacity and improve
asset utilization. VPTC uses automatic train protection and train
braking algorithms to enforce authority limits, civil speeds and speed
restrictions. VPTC protects maintenance personnel by preventing trains
from entering work zones without authorization. The VPTC system is
49CFR236-H compliant. The VPTC system may optionally include the ART or
OTP planner products with electronic movement authority transmission.