New freeway from La Canada to Pasadena, complete with four divided lanes and center esplanade, will promote crooked highway to full freeway status; six bridges called for, largest will be 418 ft across Arroyo Seco; types of earth moving equipment used, fill compaction; crane equipment on concrete; typical work stages illustrated.
Foothill freeway: headache road
Excavating Engr
Excavating Engineer ; 48 , n 8
1954
2 pages
Aufsatz (Zeitschrift)
Englisch
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