Best Time to Drive from Simi Valley to Costa Mesa

Right now (7:36 pm PST): about 89 minutes via I-405 South and SR-118 East, usually 114 at this time.

Only 2% of this drive is measured by working traffic sensors right now. The rest is estimated from nearby sensors, typical speeds and street traffic, so times can be off. Why so few sensors work.

About this drive

On weekdays the 84-mile drive from Simi Valley to Costa Mesa (via I-405 South and SR-118 East) usually takes as little as 74 minutes and up to 296 minutes, when leaving around 2:30 pm on Wednesdays. The fastest times to leave are before 7:30 am or after 9 pm. Midday (11 am to 2 pm) it takes about 177 minutes. On weekends it is slowest around 2:30 pm on Saturdays (143 minutes).

About 83 miles of it is freeway, where times follow typical and live traffic from our sensors, and about 1.6 miles surface streets (2 to 3 minutes on weekdays), estimated from how jammed the freeways around them are at that time. Drive times are measured from central Simi Valley to central Costa Mesa along the route on the map. Starting or ending elsewhere in a big city can add or save several minutes.

Simulated from typical freeway speeds at each point of the drive for the time you would reach it, from every 5-minute reading we have recorded. We don't have sensors on surface streets yet, so the time on them is estimated from how congested the freeways around each end of the drive are at that time, in both directions: streets jam when the freeways do.

Questions

What is the best time to drive from Simi Valley to Costa Mesa?

On weekdays, leave before 7:30 am or after 9 pm. The drive usually takes about 74 minutes then, versus up to 296 minutes at the worst times.

How long does it take to drive from Simi Valley to Costa Mesa?

The 84-mile drive usually takes 74 to 296 minutes on weekdays, depending on when you leave, and about 177 minutes midday.

When is traffic worst from Simi Valley to Costa Mesa?

Leaving around 2:30 pm on Wednesdays is usually slowest, about 296 minutes.

Freeways on this drive

I-405 South in Los Angeles (44 miles) · SR-118 East in Los Angeles (19 miles) · I-405 South in Orange County (16 miles) · SR-55 South in Orange County (2 miles)

Los Angeles traffic right now · Los Angeles traffic tomorrow · Orange County traffic right now · Orange County traffic tomorrow

More drives

Costa Mesa to Simi Valley (return trip) · Simi Valley to Los Angeles · Simi Valley to Santa Monica · Simi Valley to Pasadena · Simi Valley to Long Beach · Simi Valley to West Covina · Simi Valley to Burbank · Simi Valley to Glendale · Simi Valley to Santa Clarita · Simi Valley to Van Nuys · Simi Valley to Torrance · Simi Valley to LAX

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