Infamous and the subject of much controversy the Pasadena Gap in the Long Beach Freeway has long existed as a contentious topic regarding the completion of Interstate 710 and California State Route 710. While the Pasadena Gap of the Long Beach Freeway effectively has been legislatively blocked the action only came after decades of controversy. While the Pasadena Gap of the Long Beach Freeway is fairly well known what many don't know is that a small segment was actually constructed south Interstate 210 and the Foothill Freeway. This disconnected segment of the Long Beach Freeway exists as the unsigned and largely hidden California State Route 710. On June 29, 2022 the California Transportation Commission relinquished California State Route 710 to the city of Pasadena. The blog cover above depicts a southward view on the completed Pasadena stub segment of the Long Beach Freeway which ends at California Boulevard.
Part 1; the history of the Pasadena Gap of the Long Beach Freeway and hidden California State Route 710
As noted in the intro the hidden segment of California State Route 710 (CA 710) in Pasadena exists as the Long Beach Freeway from the Interstate 210/Foothill Freeway interchange south to California Boulevard. From California Boulevard hidden CA 710 is carried via a couplet on St. Johns Avenue and Pasadena Avenue south to Columbia Street exists as a temporary routing. Specifically hidden CA 710 exists from Postmiles LA T30.953 to R32.72.