Assertion: railroad's track | /r/HasAspect | high initial cost
Facets:
Source sentences:
text: However, ballastless track has a high initial cost, and in the case of existing railroads the upgrade to such requires closure of the route for a long period.
text: However, ballastless track has a high initial cost, and in the case of existing railroads the upgrade to such requires closure of the route for a long period.