Question 1

When is traffic worst on I-15 South in Inland Empire?

Accepted Answer

Traffic on I-15 South is usually worst on Tuesday around 8 am (about 54 mph).

Question 2

What is the best time to drive I-15 South in Inland Empire?

Accepted Answer

On weekdays, avoid around 8 am (54 mph on Tuesdays) and around 3 pm (57 mph on Fridays). Midday (10 am to 2 pm) averages 61 mph, and early mornings and late evenings are fastest.

Question 3

Is I-15 South busy right now?

Accepted Answer

As of 9:00 am PDT, I-15 South in the Inland Empire is averaging 65 mph across 82 sensors, about normal for this time.

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	65	59	58	58	60	60	61	61	61	61	61	61	62	63	65	65	66
Tue	66	59	55	54	59	61	62	62	62	62	61	61	61	64	65	65	67
Wed	66	59	56	56	59	61	62	62	62	62	61	61	61	64	65	65	67
Thu	66	59	56	56	60	62	62	61	61	61	60	60	61	63	65	65	67
Fri	67	63	61	59	61	61	61	60	60	59	57	58	59	62	64	65	66
Sat	67	66	66	65	63	59	54	52	54	56	58	60	63	64	66	65	67
Sun	67	67	67	66	65	64	63	61	60	60	61	62	63	63	63	63	67

I-15 South Traffic in Inland Empire

Best time to drive I-15 South ("the 15")

Questions

When is traffic worst on I-15 South in Inland Empire?

What is the best time to drive I-15 South in Inland Empire?

Is I-15 South busy right now?

Other freeways in Inland Empire

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	65	59	58	58	60	60	61	61	61	61	61	61	62	63	65	65	66
Tue	66	59	55	54	59	61	62	62	62	62	61	61	61	64	65	65	67
Wed	66	59	56	56	59	61	62	62	62	62	61	61	61	64	65	65	67
Thu	66	59	56	56	60	62	62	61	61	61	60	60	61	63	65	65	67
Fri	67	63	61	59	61	61	61	60	60	59	57	58	59	62	64	65	66
Sat	67	66	66	65	63	59	54	52	54	56	58	60	63	64	66	65	67
Sun	67	67	67	66	65	64	63	61	60	60	61	62	63	63	63	63	67

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	65	59	58	58	60	60	61	61	61	61	61	61	62	63	65	65	66
Tue	66	59	55	54	59	61	62	62	62	62	61	61	61	64	65	65	67
Wed	66	59	56	56	59	61	62	62	62	62	61	61	61	64	65	65	67
Thu	66	59	56	56	60	62	62	61	61	61	60	60	61	63	65	65	67
Fri	67	63	61	59	61	61	61	60	60	59	57	58	59	62	64	65	66
Sat	67	66	66	65	63	59	54	52	54	56	58	60	63	64	66	65	67
Sun	67	67	67	66	65	64	63	61	60	60	61	62	63	63	63	63	67

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	65	59	58	58	60	60	61	61	61	61	61	61	62	63	65	65	66
Tue	66	59	55	54	59	61	62	62	62	62	61	61	61	64	65	65	67
Wed	66	59	56	56	59	61	62	62	62	62	61	61	61	64	65	65	67
Thu	66	59	56	56	60	62	62	61	61	61	60	60	61	63	65	65	67
Fri	67	63	61	59	61	61	61	60	60	59	57	58	59	62	64	65	66
Sat	67	66	66	65	63	59	54	52	54	56	58	60	63	64	66	65	67
Sun	67	67	67	66	65	64	63	61	60	60	61	62	63	63	63	63	67