Best Time to Drive from San Marcos to Rancho Penasquitos

Right now (12:20 am PDT): about 15 minutes via I-15 South.

Only 56% 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 18-mile drive from San Marcos to Rancho Penasquitos (via I-15 South) usually takes as little as 15 minutes and up to 33 minutes, when leaving around 8 am on Tuesdays. The fastest times to leave are before 6:30 am or after 4 pm. Midday (11 am to 2 pm) it takes about 17 minutes. On weekends it is slowest around 1 pm on Saturdays (17 minutes).

About 16 miles of it is freeway, where times follow typical and live traffic from our sensors, and about 1.2 miles surface streets (2 to 4 minutes on weekdays), estimated from how jammed the freeways around them are at that time. Drive times are measured from central San Marcos 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 San Marcos to Rancho Penasquitos?

On weekdays, leave before 6:30 am or after 4 pm. The drive usually takes about 15 minutes then, versus up to 33 minutes at the worst times.

How long does it take to drive from San Marcos to Rancho Penasquitos?

The 18-mile drive usually takes 15 to 33 minutes on weekdays, depending on when you leave, and about 17 minutes midday.

When is traffic worst from San Marcos to Rancho Penasquitos?

Leaving around 8 am on Tuesdays is usually slowest, about 33 minutes.

Freeways on this drive

I-15 South in San Diego (16 miles)

San Diego traffic right now · San Diego traffic tomorrow

More drives

Rancho Penasquitos to San Marcos (return trip) · San Marcos to San Diego · San Marcos to Anaheim · San Marcos to Riverside · San Marcos to Santa Ana · San Marcos to Chula Vista · San Marcos to Irvine · San Marcos to San Bernardino · San Marcos to Fontana · San Marcos to Moreno Valley · San Marcos to Huntington Beach · San Marcos to Oceanside

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