Assertion: highway's section | /r/HasAspect | official highway number
Facets:
value: until 1978
type: TEMPORAL
Source sentences:
text: Until 1978, the unopened section between the Yukon–BC border and Carcross had no official highway number, while the section north of Carcross to the Alaska Highway was Highway 5, and the section from Stewart Crossing to Dawson was Highway 3.