Best Time to Drive from Irvine to Diamond Bar

Right now (6:53 pm PDT): about 47 minutes via SR-57 North, usually 38 at this time.

Only 57% 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.

Typical drive time by departure time

Minutes from Irvine to Diamond Bar by day and time you leave (local time)
Leave	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	29	30	31	35	35	33	33	33	34	40	43	48	48	44	32	31	30
Tue	29	31	32	36	35	36	34	34	37	40	45	53	52	45	35	31	30
Wed	29	31	32	35	35	35	34	35	39	42	45	50	59	53	40	33	30
Thu	29	30	31	34	35	35	34	34	34	40	45	51	49	43	38	31	30
Fri	29	30	32	33	34	34	34	36	38	42	48	48	56	38	32	31	29
Sat	29	30	30	30	31	31	32	32	32	32	33	33	33	33	31	31	30
Sun	29	30	30	30	30	31	32	32	32	32	32	32	31	31	31	32	29

About this drive

On weekdays the 34-mile drive from Irvine to Diamond Bar (via SR-57 North) usually takes as little as 29 minutes and up to 59 minutes, when leaving around 5 pm on Wednesdays. The fastest times to leave are before 7:30 am or after 8 pm. Midday (11 am to 2 pm) it takes about 36 minutes. On weekends it is slowest around 4:30 pm on Saturdays (36 minutes).

Drive times are measured from central Irvine to central Diamond Bar 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 Irvine to Diamond Bar?

On weekdays, leave before 7:30 am or after 8 pm. The drive usually takes about 29 minutes then, versus up to 59 minutes at the worst times.

How long does it take to drive from Irvine to Diamond Bar?

The 34-mile drive usually takes 29 to 59 minutes on weekdays, depending on when you leave, and about 36 minutes midday.

When is traffic worst from Irvine to Diamond Bar?

Leaving around 5 pm on Wednesdays is usually slowest, about 59 minutes.

Freeways on this drive

SR-57 North in Orange County (12 miles) · I-405 North in Orange County (5 miles) · I-5 North in Orange County (4 miles) · SR-55 North in Orange County (4 miles) · SR-57 North in Los Angeles (4 miles) · SR-60 East in Los Angeles (2 miles)

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

More drives

Diamond Bar to Irvine (return trip) · Irvine to Los Angeles · Irvine to Santa Monica · Irvine to Pasadena · Irvine to Long Beach · Irvine to West Covina · Irvine to Burbank · Irvine to Glendale · Irvine to Santa Clarita · Irvine to Van Nuys · Irvine to Torrance · Irvine to LAX

Open the live traffic map →

Leave	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	29	30	31	35	35	33	33	33	34	40	43	48	48	44	32	31	30
Tue	29	31	32	36	35	36	34	34	37	40	45	53	52	45	35	31	30
Wed	29	31	32	35	35	35	34	35	39	42	45	50	59	53	40	33	30
Thu	29	30	31	34	35	35	34	34	34	40	45	51	49	43	38	31	30
Fri	29	30	32	33	34	34	34	36	38	42	48	48	56	38	32	31	29
Sat	29	30	30	30	31	31	32	32	32	32	33	33	33	33	31	31	30
Sun	29	30	30	30	30	31	32	32	32	32	32	32	31	31	31	32	29

Leave	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	29	30	31	35	35	33	33	33	34	40	43	48	48	44	32	31	30
Tue	29	31	32	36	35	36	34	34	37	40	45	53	52	45	35	31	30
Wed	29	31	32	35	35	35	34	35	39	42	45	50	59	53	40	33	30
Thu	29	30	31	34	35	35	34	34	34	40	45	51	49	43	38	31	30
Fri	29	30	32	33	34	34	34	36	38	42	48	48	56	38	32	31	29
Sat	29	30	30	30	31	31	32	32	32	32	33	33	33	33	31	31	30
Sun	29	30	30	30	30	31	32	32	32	32	32	32	31	31	31	32	29

Leave	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	29	30	31	35	35	33	33	33	34	40	43	48	48	44	32	31	30
Tue	29	31	32	36	35	36	34	34	37	40	45	53	52	45	35	31	30
Wed	29	31	32	35	35	35	34	35	39	42	45	50	59	53	40	33	30
Thu	29	30	31	34	35	35	34	34	34	40	45	51	49	43	38	31	30
Fri	29	30	32	33	34	34	34	36	38	42	48	48	56	38	32	31	29
Sat	29	30	30	30	31	31	32	32	32	32	33	33	33	33	31	31	30
Sun	29	30	30	30	30	31	32	32	32	32	32	32	31	31	31	32	29