The northbound 73 on-ramp from Bonita Canyon Drive will be closed Tuesday from 9 a.m. to 3 p.m. for guardrail repair.
DETOUR: Northbound traffic can drive westbound on Bonita Canyon Dr, then turn right onto MacArthur Blvd to access the NB 73 on-ramp, just north of Bison Ave.
Caltrans will close one lane of southbound 73 at Laguna Canyon Road on Tuesday from 9 a.m. to 2:30 p.m. for bridge work. No delays are anticipated.
The southbound 73 on-ramp from Jamboree Rd will be closed on Wednesday from 9 a.m. to 3 p.m. for sign work.
DETOUR: From Jamboree Rd, head south on MacArthur Blvd to access SB 73 on-ramp.
Northbound 133 connector to northbound I-5 freeway will be closed nightly, Monday through Friday, from 10 p.m. to 5 a.m. for grinding and paving work.
DETOUR: From NB 133, exit Barranca Parkway, turn right onto Pacifica, then left onto Alton to access NB I-5 on-ramp.