From Riverside west through north Orange County and into Los Angeles County to a terminus just east of the 405 freeway.

Completed

Added one lane in each direction from Orange County line to Mary Street in Riverside.

Added up to two lanes from Orange County line to SR 71 (Corona Expressway) in Corona.

Constructed noise walls at various locations between Magnolia Avenue and Mary Street in Riverside. Added auxiliary lanes in various locations between Magnolia

Avenue and Mary Street in Riverside. Replace Jackson Street bridge in Riverside. Replaced Spruce Street interchange in Riverside.

Local Interchanges - 91/Van Buren (hook ramp and auxiliary lane), 91/Lincoln, 91/Maple

Under Construction

60/91/215 Interchange - Add freeway to freeway direct connectors (2008)

Future Projects

Add one lane in each direction from Adams to the 60/91/215 interchange in Riverside (2011)

Local Interchanges - 91/Van Buren (2007), 91/La Sierra (2007)