Vehicular traffic across Willamette River bridges, 1923-1928, inclusive; graph showing theoretical capacity of lane of traffic at various speeds based on safe braking distance for two-wheel brakes.
Bridge traffic in Portland
West. Construction News
Western Construction News ; 4 , n 6
1929
3 pages
3 Figs.
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
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