Disambiguation evidence for Positive Train Control via surface form
"Positive Train Control (PTC) (implemented/being implemented)"
Triples (1)
Triples where some other subject referred to this entity
as "Positive Train Control (PTC) (implemented/being implemented)".
Amtrak Hell Gate Line
→
safetySystem
→
"Positive Train Control (PTC) (implemented/being implemented)"
ⓘ
↳ resolves to Positive Train Control