Why does the 15 freeway become a state route and not remain as an interstate south of Interstate 8 in San Diego?

One person was killed and at least two others are in critical condition following a multi-vehicle collision involving a wrong-way driver that backed up traffic Tuesday for miles on the San Diego (405) ...

The California Highway Patrol officers responded at 4:06 a.m. Tuesday to the southbound San Diego (405) Freeway near the ...

Motorists in Encinitas should expect delays early Friday after a semi-truck veered off the roadway on southbound Interstate 5 prompting some lane closures, the California Highway Patrol said.

(Alejandro Tamayo / The San Diego Union-Tribune) Late in the afternoon, up to 50 people gathered in Barrio Logan and walked onto I-5, temporarily shutting down the freeway and the eastbound lanes ...

Dozens of protesters briefly walked onto Interstate 5 near National Avenue on Monday evening. The demonstrators could be seen around 4:40 p.m. holding the flags of Mexico and other countries as ...