Traffic Predict

Best Time to Drive from Diamond Bar to Whittier

Right now (6:50 pm PDT): about 26 minutes via SR-60 West, usually 24 at this time.

None 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.

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Typical drive time by departure time

Minutes from Diamond Bar to Whittier by day and time you leave (local time)
Leave5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm
Mon2124313431292827262627272725222121
Tue2125353736322927262727272726232121
Wed2125353736322927262728282827232121
Thu2124323633312928272828282827232121
Fri2123262728293030303131292828242221
Sat2121222223232426262626262624222121
Sun2121212121212222232323222222222221

About this drive

On weekdays the 17-mile drive from Diamond Bar to Whittier (via SR-60 West) usually takes as little as 21 minutes and up to 37 minutes, when leaving around 8 am on Tuesdays. The fastest times to leave are before 6 am or after 7:30 pm. Midday (11 am to 2 pm) it takes about 28 minutes. On weekends it is slowest around 1:30 pm on Saturdays (26 minutes).

About 10 miles of it is freeway, where times follow typical and live traffic from our sensors, and about 7 miles surface streets (12 to 23 minutes on weekdays), estimated from how jammed the freeways around them are at that time. Drive times are measured from central Diamond Bar to central Whittier 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 Diamond Bar to Whittier?

On weekdays, leave before 6 am or after 7:30 pm. The drive usually takes about 21 minutes then, versus up to 37 minutes at the worst times.

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

The 17-mile drive usually takes 21 to 37 minutes on weekdays, depending on when you leave, and about 28 minutes midday.

When is traffic worst from Diamond Bar to Whittier?

Leaving around 8 am on Tuesdays is usually slowest, about 37 minutes.

Freeways on this drive

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