Best Time to Drive from Lake Forest to Rancho Penasquitos

Right now (6:50 pm PDT): about 74 minutes via I-5 South, usually 70 at this time.

Only 48% 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 70-mile drive from Lake Forest to Rancho Penasquitos (via I-5 South) usually takes as little as 64 minutes and up to 87 minutes, when leaving around 3:30 pm on Fridays. The fastest times to leave are before 7 am or after 5:30 pm. Midday (11 am to 2 pm) it takes about 71 minutes. On weekends it is slowest around 10:30 am on Saturdays (89 minutes).

About 63 miles of it is freeway, where times follow typical and live traffic from our sensors, and about 7 miles surface streets (9 to 11 minutes on weekdays), estimated from how jammed the freeways around them are at that time. Drive times are measured from central Lake Forest to central Rancho Penasquitos 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 Lake Forest to Rancho Penasquitos?

On weekdays, leave before 7 am or after 5:30 pm. The drive usually takes about 64 minutes then, versus up to 87 minutes at the worst times.

How long does it take to drive from Lake Forest to Rancho Penasquitos?

The 70-mile drive usually takes 64 to 87 minutes on weekdays, depending on when you leave, and about 71 minutes midday.

When is traffic worst from Lake Forest to Rancho Penasquitos?

Leaving around 3:30 pm on Fridays is usually slowest, about 87 minutes.

Freeways on this drive

I-5 South in San Diego (35 miles) · I-5 South in Orange County (21 miles) · SR-56 East in San Diego (8 miles)

Orange County traffic right now · Orange County traffic tomorrow · San Diego traffic right now · San Diego traffic tomorrow

More drives

Rancho Penasquitos to Lake Forest (return trip) · Lake Forest to Los Angeles · Lake Forest to Moreno Valley · Lake Forest to Long Beach · Lake Forest to Anaheim · Lake Forest to Riverside · Lake Forest to Santa Ana · Lake Forest to Irvine · Lake Forest to San Bernardino · Lake Forest to Fontana · Lake Forest to Huntington Beach · Lake Forest to Glendale

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