Traffic Predict
Best Time to Drive from Fountain Valley to Rialto
Right now (3:21 pm PST): about 59 minutes via SR-91 East and I-405 South, usually 62 at this time.
Only 23% 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
| Leave | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mon | 54 | 57 | 65 | 69 | 64 | 62 | 62 | 64 | 67 | 70 | 76 | 78 | 77 | 65 | 61 | 59 | 55 |
| Tue | 54 | 59 | 70 | 73 | 69 | 63 | 63 | 64 | 66 | 73 | 79 | 82 | 79 | 69 | 61 | 61 | 56 |
| Wed | 54 | 58 | 68 | 70 | 66 | 64 | 62 | 65 | 65 | 73 | 76 | 75 | 78 | 67 | 61 | 60 | 56 |
| Thu | 54 | 58 | 68 | 69 | 66 | 62 | 63 | 64 | 66 | 71 | 78 | 81 | 77 | 67 | 62 | 59 | 55 |
| Fri | 54 | 58 | 62 | 65 | 62 | 63 | 64 | 67 | 72 | 77 | 81 | 80 | 75 | 70 | 64 | 60 | 55 |
| Sat | 54 | 55 | 55 | 56 | 56 | 58 | 59 | 60 | 60 | 62 | 62 | 63 | 63 | 61 | 60 | 58 | 54 |
| Sun | 54 | 54 | 54 | 54 | 56 | 57 | 58 | 59 | 59 | 58 | 59 | 58 | 58 | 58 | 57 | 58 | 54 |
About this drive
On weekdays the 57-mile drive from Fountain Valley to Rialto (via SR-91 East and I-405 South) usually takes as little as 54 minutes and up to 85 minutes, when leaving around 4:30 pm on Tuesdays. The fastest times to leave are before 6:30 am or after 8:30 pm. Midday (11 am to 2 pm) it takes about 66 minutes. On weekends it is slowest around 5 pm on Saturdays (63 minutes).
About 48 miles of it is freeway, where times follow typical and live traffic from our sensors, and about 9 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 Fountain Valley to central Rialto 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 Fountain Valley to Rialto?
On weekdays, leave before 6:30 am or after 8:30 pm. The drive usually takes about 54 minutes then, versus up to 85 minutes at the worst times.
How long does it take to drive from Fountain Valley to Rialto?
The 57-mile drive usually takes 54 to 85 minutes on weekdays, depending on when you leave, and about 66 minutes midday.
When is traffic worst from Fountain Valley to Rialto?
Leaving around 4:30 pm on Tuesdays is usually slowest, about 85 minutes.
Freeways on this drive
SR-91 East in Orange County (20 miles) · I-405 South in Orange County (10 miles) · SR-241 North in Orange County (7 miles) · SR-261 North in Orange County (6 miles) · SR-91 East in Inland Empire (5 miles)
Orange County traffic right now · Orange County traffic tomorrow · Inland Empire traffic right now · Inland Empire traffic tomorrow
More drives
Rialto to Fountain Valley (return trip) · Fountain Valley to Los Angeles · Fountain Valley to Long Beach · Fountain Valley to Anaheim · Fountain Valley to Riverside · Fountain Valley to Irvine · Fountain Valley to San Bernardino · Fountain Valley to Fontana · Fountain Valley to Moreno Valley · Fountain Valley to Glendale · Fountain Valley to Santa Clarita · Fountain Valley to Oceanside