SR-78 West Traffic in San Diego

As of 8:45 am PDT, SR-78 West in San Diego is averaging 66 mph across 26 sensors, about normal for this time.

Best time to drive SR-78 West ("the 78")

Traffic is usually worst on Thursday around 7 am (about 57 mph). On weekdays the morning slowdown peaks around 7 am (57 mph on Thursdays) and the evening slowdown around 4 pm (59 mph on Wednesdays). Midday (10 am to 2 pm) averages 63 mph. On weekends it is slowest on Sundays around 12 pm (63 mph).

Typical average speed (mph) on SR-78 West in San Diego, by day and hour (local time)
Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	67	63	60	60	63	63	63	63	63	62	61	60	61	65	66	65	66
Tue	67	63	58	58	61	63	63	63	63	63	61	60	61	63	66	65	66
Wed	67	62	57	58	61	62	63	63	63	62	60	59	60	63	65	65	67
Thu	67	63	57	58	62	63	63	63	63	62	60	59	60	63	66	65	66
Fri	67	63	59	59	62	62	62	62	62	61	59	59	60	63	65	65	67
Sat	67	67	66	65	64	64	63	63	63	63	63	63	64	65	66	65	67
Sun	67	67	67	67	66	64	63	63	63	64	64	64	65	65	65	64	66

Averages of every 5-minute reading we have recorded at this time of the week. Colors match the live map.

Questions

When is traffic worst on SR-78 West in San Diego?

Traffic on SR-78 West is usually worst on Thursday around 7 am (about 57 mph).

What is the best time to drive SR-78 West in San Diego?

On weekdays, avoid around 7 am (57 mph on Thursdays) and around 4 pm (59 mph on Wednesdays). Midday (10 am to 2 pm) averages 63 mph, and early mornings and late evenings are fastest.

Is SR-78 West busy right now?

As of 8:45 am PDT, SR-78 West in San Diego is averaging 66 mph across 26 sensors, about normal for this time.

Other freeways in San Diego

I-5 North · I-5 South · I-8 East · I-8 West · I-15 North · I-15 South · SR-52 East · SR-52 West · SR-56 East · SR-56 West · SR-76 East · SR-76 West · SR-78 East · SR-94 East · SR-94 West · SR-125 North · SR-125 South · SR-163 North · SR-163 South · I-805 North · I-805 South · SR-905 East · SR-905 West

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	67	63	60	60	63	63	63	63	63	62	61	60	61	65	66	65	66
Tue	67	63	58	58	61	63	63	63	63	63	61	60	61	63	66	65	66
Wed	67	62	57	58	61	62	63	63	63	62	60	59	60	63	65	65	67
Thu	67	63	57	58	62	63	63	63	63	62	60	59	60	63	66	65	66
Fri	67	63	59	59	62	62	62	62	62	61	59	59	60	63	65	65	67
Sat	67	67	66	65	64	64	63	63	63	63	63	63	64	65	66	65	67
Sun	67	67	67	67	66	64	63	63	63	64	64	64	65	65	65	64	66

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	67	63	60	60	63	63	63	63	63	62	61	60	61	65	66	65	66
Tue	67	63	58	58	61	63	63	63	63	63	61	60	61	63	66	65	66
Wed	67	62	57	58	61	62	63	63	63	62	60	59	60	63	65	65	67
Thu	67	63	57	58	62	63	63	63	63	62	60	59	60	63	66	65	66
Fri	67	63	59	59	62	62	62	62	62	61	59	59	60	63	65	65	67
Sat	67	67	66	65	64	64	63	63	63	63	63	63	64	65	66	65	67
Sun	67	67	67	67	66	64	63	63	63	64	64	64	65	65	65	64	66

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	67	63	60	60	63	63	63	63	63	62	61	60	61	65	66	65	66
Tue	67	63	58	58	61	63	63	63	63	63	61	60	61	63	66	65	66
Wed	67	62	57	58	61	62	63	63	63	62	60	59	60	63	65	65	67
Thu	67	63	57	58	62	63	63	63	63	62	60	59	60	63	66	65	66
Fri	67	63	59	59	62	62	62	62	62	61	59	59	60	63	65	65	67
Sat	67	67	66	65	64	64	63	63	63	63	63	63	64	65	66	65	67
Sun	67	67	67	67	66	64	63	63	63	64	64	64	65	65	65	64	66