Green Springs Road of Tuolumne County is a short, bypassed segment servicing Keystone siding which was once part of California State Route 120. The corridor is notable for having not only visible portions of Portland Cement but also the very early era State Highway bridge at Green Springs Run. The Green Springs Run Bridge was constructed in 1914 and still displays plaques indicating it to be a State Highway component. California State Route 120 was realigned around Keystone siding during the mid-1950s. California State Route 120 can be seen passing through Keystone siding and crossing Green Springs Run on the 1935 Division of Highways map of Tuolumne County. Part 1; the history of California State Route 120 at Keystone siding Keystone is a siding of the Sierra Railroad (formerly the Sierra Railway) located at the intersection of Green Springs Road and La Grange Road (Tuolumne County Route J59). Keystone is one of many sidings which were establis...
US Route 99 in the vicinity of the cities of Mount Vernon, Burlington and Bellingham was carried by various alignments between 1926-1969. The original alignment which was inherited from the Pacific Highway followed the highly scenic Chuckanut Drive. Chuckanut Drive later became US Route 99 Alternate in 1937 following the completion of the Lake Samish bypass. A second US Route 99 Alternate was designated in 1952 from Bellingham north to the Canadian border via Secondary State Highway 1B. In the waning years of US Route 99 the highway was subject to further realignments as Interstate 5 was constructed. This blog serves as a history of the alignments of US Route 99 in Mount Vernon, Burlington and Bellingham. The many branches of US Route 99 branching from Bellingham can be seen on the 1956 Shell Highway map of Washington . This blog is part of the larger Gribblenation US Route 99 Page. For more information pertaining to the other various segm...