May 21: This Date in Los Angeles Transportation History

San Gabriel Valley Highway Plan

1923:  The Los Angeles County Board of Supervisors adopts a resolution calling for comprehensive highway study in the County.One result is the County of Los Angeles Regional Plan of Highways, which produces two volumes of work before being discontinued:  Section 2-E, San Gabriel Valley, produced in 1929, and Section 4, Long Beach-Redondo Area, published in 1931.

1974:  Arthur D. Little, Inc., an internationally respected research firm, concludes that the Southern California Rapid Transit District‘s rapid transit plan for Los Angeles County could save the average driver $1,100 per year in his/her household budget.