Caltrans has announced overnight lane reductions, connector closures and ramp closures along Interstate 405 (I-405) through ...

The I-5, I-405, SR 99 and SR 520 closures could cause backups beyond the freeway on surface streets and alternate routes not typically impacted by heavy traffic.

Caltrans reminds motorists about extended weekend lane reductions along northbound Interstate 405 (I-405) through the ...

Traffic Lab is a Seattle Times project that digs into the region’s transportation issues to explore the policies and politics that determine how we get around and how billions of dollars in public ...