Traffic Predict
Best Time to Drive from Cupertino to San Ramon
Right now (12:51 am PDT): about 44 minutes via I-680 North and I-280 South.
Only 74% 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 | 44 | 44 | 46 | 48 | 48 | 48 | 48 | 48 | 48 | 51 | 69 | 73 | 70 | 63 | 48 | 45 | 44 |
| Tue | 44 | 44 | 46 | 50 | 50 | 48 | 48 | 48 | 47 | 51 | 76 | 91 | 97 | 89 | 63 | 47 | 44 |
| Wed | 44 | 45 | 46 | 51 | 51 | 48 | 47 | 47 | 48 | 53 | 76 | 85 | 97 | 89 | 63 | 48 | 44 |
| Thu | 44 | 45 | 46 | 51 | 50 | 48 | 47 | 47 | 48 | 52 | 76 | 90 | 91 | 80 | 61 | 48 | 44 |
| Fri | 44 | 44 | 46 | 47 | 47 | 47 | 47 | 48 | 49 | 56 | 71 | 75 | 70 | 63 | 53 | 47 | 44 |
| Sat | 44 | 44 | 44 | 44 | 45 | 45 | 46 | 47 | 48 | 48 | 49 | 49 | 49 | 47 | 47 | 45 | 44 |
| Sun | 44 | 44 | 44 | 44 | 44 | 45 | 45 | 46 | 46 | 46 | 46 | 46 | 47 | 46 | 47 | 46 | 44 |
About this drive
On weekdays the 48-mile drive from Cupertino to San Ramon (via I-680 North and I-280 South) usually takes as little as 44 minutes and up to 98 minutes, when leaving around 4:30 pm on Thursdays. The fastest times to leave are before 8 am or after 8 pm. Midday (11 am to 2 pm) it takes about 48 minutes. On weekends it is slowest around 4:30 pm on Saturdays (49 minutes).
About 45 miles of it is freeway, where times follow typical and live traffic from our sensors, and about 3 miles surface streets (3 to 7 minutes on weekdays), estimated from how jammed the freeways around them are at that time. Drive times are measured from central Cupertino to central San Ramon 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 Cupertino to San Ramon?
On weekdays, leave before 8 am or after 8 pm. The drive usually takes about 44 minutes then, versus up to 98 minutes at the worst times.
How long does it take to drive from Cupertino to San Ramon?
The 48-mile drive usually takes 44 to 98 minutes on weekdays, depending on when you leave, and about 48 minutes midday.
When is traffic worst from Cupertino to San Ramon?
Leaving around 4:30 pm on Thursdays is usually slowest, about 98 minutes.
Freeways on this drive
I-680 North in Bay Area (34 miles) · I-280 South in Bay Area (12 miles)
Bay Area traffic right now · Bay Area traffic tomorrow
More drives
San Ramon to Cupertino (return trip) · Cupertino to San Jose · Cupertino to San Francisco · Cupertino to Oakland · Cupertino to Stockton · Cupertino to Fremont · Cupertino to Modesto · Cupertino to Hayward · Cupertino to Salinas · Cupertino to Concord · Cupertino to Vallejo · Cupertino to Berkeley