Efforts to complete the 710 Freeway by building a tunnel under South Pasadena and the surrounding area were dealt a setback when the Glendale City Council voted to oppose the idea.

In its vote Tuesday, the council cited projections for traffic increases on the 210 and 134 freeways in Glendale if the “missing link” of the 710 Freeway between Alhambra and Pasadena is finally completed.

According to a staff report, traffic would increase by more than 30,000 vehicles per day on the 210 north of the 134. Traffic would also increase on other stretches of the 210.

La Canada Flintridge and South Pasadena also oppose the tunnel. Alhambra, where the 710 now abruptly ends just north of the 10 Freeway, supports it.


South Pasadena has for decades opposed completing the freeway, saying it would ruin the historic character of the city. Caltrans has proposed the tunnel idea as a way of addressing those concerns.

-- Shelby Grad