Donner Memorial State Park Summit
Said to have “eliminated for all time the terrors of the Donner grade,” Rainbow Bridge facilitated better passage over the Sierra-Nevadas. Before the bridge and connecting highway were built, 18% grades plagued motorists who braved this steep stretch of the Lincoln Highway. When it opened to traffic in 1926, the bridge ushered in a new era of smooth travel over what became California US Highway 40.
14″ x 22″ poster, screen printed in three colors.
|Dimensions||16 × 3 × 3 in|
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