Question 1

Why is I-405 North slow right now?

Accepted Answer

Near Ne 161st St: 12 mph, likely heavier traffic than usual for this time (usually 45 mph). Near Sr 169-sb: 30 mph, likely the usual rush-hour slowdown here (usually 29 mph at this time). Near Ne 124th St-sb: 30 mph, likely heavier traffic than usual for this time (usually 43 mph). Near Ne 183rd St: 30 mph, likely heavier traffic than usual for this time (usually 39 mph).

Question 2

When is traffic worst on I-405 North in Seattle?

Accepted Answer

Traffic on I-405 North is usually worst on Thursday around 5 pm (about 49 mph).

Question 3

What is the best time to drive I-405 North in Seattle?

Accepted Answer

On weekdays, avoid around 8 am (55 mph on Wednesdays) and around 5 pm (49 mph on Thursdays). Midday (10 am to 2 pm) averages 59 mph, and early mornings and late evenings are fastest.

Question 4

Is I-405 North busy right now?

Accepted Answer

As of 6:00 pm PDT, I-405 North in Seattle is averaging 55 mph across 64 sensors, about normal for this time. The slowest stretch is near Ne 161st St at 12 mph (usually 45 mph). 1 sensor reports stop-and-go traffic under 30 mph.

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	61	60	58	57	58	60	60	61	59	58	56	55	–	60	62	62	62
Tue	61	59	57	56	56	58	61	61	60	58	54	52	50	57	61	62	62
Wed	61	59	57	55	56	58	60	60	58	56	53	52	51	55	59	62	62
Thu	61	59	57	56	56	58	60	60	59	57	54	50	49	56	60	62	62
Fri	62	60	58	58	59	60	59	57	55	53	51	50	55	57	60	62	62
Sat	–	–	–	–	–	–	–	–	–	60	60	60	60	61	62	62	62
Sun	62	62	62	62	62	61	61	61	61	–	61	61	61	61	61	–	–

I-405 North Traffic in Seattle

Is I-405 North moving right now?

Best time to drive I-405 North

Questions

Why is I-405 North slow right now?

When is traffic worst on I-405 North in Seattle?

What is the best time to drive I-405 North in Seattle?

Is I-405 North busy right now?

Other freeways in Seattle

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	61	60	58	57	58	60	60	61	59	58	56	55	–	60	62	62	62
Tue	61	59	57	56	56	58	61	61	60	58	54	52	50	57	61	62	62
Wed	61	59	57	55	56	58	60	60	58	56	53	52	51	55	59	62	62
Thu	61	59	57	56	56	58	60	60	59	57	54	50	49	56	60	62	62
Fri	62	60	58	58	59	60	59	57	55	53	51	50	55	57	60	62	62
Sat	–	–	–	–	–	–	–	–	–	60	60	60	60	61	62	62	62
Sun	62	62	62	62	62	61	61	61	61	–	61	61	61	61	61	–	–

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	61	60	58	57	58	60	60	61	59	58	56	55	–	60	62	62	62
Tue	61	59	57	56	56	58	61	61	60	58	54	52	50	57	61	62	62
Wed	61	59	57	55	56	58	60	60	58	56	53	52	51	55	59	62	62
Thu	61	59	57	56	56	58	60	60	59	57	54	50	49	56	60	62	62
Fri	62	60	58	58	59	60	59	57	55	53	51	50	55	57	60	62	62
Sat	–	–	–	–	–	–	–	–	–	60	60	60	60	61	62	62	62
Sun	62	62	62	62	62	61	61	61	61	–	61	61	61	61	61	–	–

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	61	60	58	57	58	60	60	61	59	58	56	55	–	60	62	62	62
Tue	61	59	57	56	56	58	61	61	60	58	54	52	50	57	61	62	62
Wed	61	59	57	55	56	58	60	60	58	56	53	52	51	55	59	62	62
Thu	61	59	57	56	56	58	60	60	59	57	54	50	49	56	60	62	62
Fri	62	60	58	58	59	60	59	57	55	53	51	50	55	57	60	62	62
Sat	–	–	–	–	–	–	–	–	–	60	60	60	60	61	62	62	62
Sun	62	62	62	62	62	61	61	61	61	–	61	61	61	61	61	–	–