TriMet's long Line 12
The route of TriMet\'s Line 12-Sandy/Barbur from Gresham, to Parkrose, to Portland, to Sherwood plotted on Microsoft\'s Streets & Trips.
Made using official TriMet data that\'s been made publicly available for Google Transit and others.
According to the data, the Sandy portion is over 16 miles long and the Barbur portion is about 18.2 miles, for a grand total of 34.28 miles. However, about half of the buses start or end at either Parkrose (next to I-205) and/or King City (about halfway between Tigard and Sherwood)