Fixing API calls for lines to be relative to root.
Fixing API calls for lines to be relative to root.

tannerhodges/transitmix,mudpuddle/transitmix,gregoryjscott/transitmix,gregoryjscott/transitmix,mudpuddle/transitmix,boonrs/transitmix,gregoryjscott/transitmix,boonrs/transitmix,mudpuddle/transitmix,tannerhodges/transitmix,boonrs/transitmix,tannerhodges/transitmix