The Lincoln Highway, one of the earliest marked highways across the country, split in two over the Sierra Nevada. The main route followed the present I-80 alignment over Donner Pass, but an alternate Pioneer Branch, designated as part of the initial routing in 1913, turned south at Reno, Nevada to Carson City and then crossed the Sierras via Johnson Pass and the Placerville route. Contrary to the Lincoln Highway Association's policy of marking the most direct route, this deviation was explained simply as for those tourists desiring to see Lake Tahoe. However, it actually became shorter in 1921, when the Fallon Cut-off opened from Carson City directly east to the main route near Fallon, bypassing Reno. The U.S. Highway system was created in 1926, and this route (along with the main Lincoln Highway east of the cutoff) became part of U.S. Route 50. (The Donner Pass route was U.S. Route 40, crossing Nevada on the Victory Highway.) US 50 initially ended in Sacramento, where motorists could follow US 40 (Victory Highway) southwest to the San Francisco Bay Area or turn south over US 99 to Stockton and take US 48 (Lincoln Highway) west over Altamont Pass. Originally, US 48 was a road connecting the San Francisco Bay area with the San Joaquin Valley, traveling from San Jose to near Modesto, largely following the future routing of US 50, which replaced US 48. Its western terminus was located near the present location of the Interstate 238/Interstate 880 interchange. It generally followed the route of current Interstate 580 to the Interstate 205 junction. From here, US 48 continued east on Interstate 205, then followed Old Highway 50 (present I-205 Bus.) through Tracy, thence to Interstate 5. It then followed Interstate 5 to SR 120, where US 48 followed SR 120 to the old location of the SR 99/SR 120 interchange (present day intersection of Main and Yosemite in Manteca), the location of its eastern terminus.