English: The Shasta Route — a former line of the Southern Pacific Railroad, between Roseville, California and Portland, Oregon.
- Begun in 1863 as the 'Oregon and California Railroad by the Central Pacific Railroad, it was the first thrust north from California to reach Oregon, and was finally completed in 1887.
- Completion of the Natron Cutoff in 1927 saw the north section of the Shasta Route pulled back to Black Butte, California. A final change occurred 1938-1942 when construction of Shasta Dam required replacement of 26 miles of the original alignment with 32 miles of new railroad track.
- Passenger service:
- The Cascade (1927–1970) passenger line ran on the Shasta Route between Black Butte, California and Springfield, Oregon. The Shasta Daylight (1949–1967) was a Southern Pacific Railroad Pullman cars passenger train between Oakland, California, and Portland, Oregon, and passed its namesake Mount Shasta on the route in daylight hours. After its end the Cascade was the route's only passenger line until Amtrak service took over in 1970.
- National Register of Historic Places significance:
- The Shasta Route was found likely to be eligible for the National Register of Historic Places at the state level of significance under Criterion A for its significance in engineering, transportation history, and the economic development of California and Oregon, and in the development of the West, and under criterion B for its association with E.H. Harriman. ::*The Shasta Route's period of significance is 1863 to 1945: from the beginning of construction in 1863; through the years of its role in the economic development of California and Oregon; to the conclusion of the railroad's achievements for World War II.
- As contributors to the overall historic property, the route's Common Standard bridges (image categories below) over the Sacramento River were also found to meet criterion C, representing a type, period, and method of construction. loc.gov