I-495 South Traffic in Washington DC

As of 11:35 am EST, I-495 South in the Washington, DC area is averaging 64 mph across 9 sensors, 3 mph faster than usual for this time.

Open the live map of I-495 South →

Incidents on I-495 South right now

Disabled vehicle: I-495 SB at Rte 620 Rmp 17A

Is I-495 South moving right now?

Yes. No stretch of I-495 South in Washington DC is under 40 mph right now (as of 11:35 am EST).

Earlier in the last 24 hours

10:41 am: Crash, I-495 SB at Ramp to Rte 395 Rmp 1D; Rte 495 Rmp 57E
9:02 am: Property Damage, I-495 INNER LOOP AT EXIT 39 MD 190 RIVER RD (IL) (MM 41.0)
8:57 am: Disabled vehicle, I-495 SB at Ramp to Rte 495 Rmp 49B; Rte 495 Rmp 49A
5:35 am: Personal Injury, I-495 OUTER LOOP PRIOR TO PERSIMMON TREE RD (MM 41.5)
5:15 am: Disabled In Roadway, I-495 OUTER LOOP PRIOR TO PERSIMMON TREE RD (MM 41.5)
5:11 am: Crash, I-495 SB at Ramp from Georgetown Pike, Rte 90005 Rmp 25D, Rte 193; Rte 193 Rmp 9B
1:55 am: Property Damage, I-495 OUTER LOOP AT EXIT 35 I-270 I-270 (OL) (MM 36.0)
12:35 am: Disabled vehicle, I-495 SB at Ramp to Rte 495 Rmp 51B; Rte 495 Dist/Coll at mp51

Best time to drive I-495 South

Traffic is usually worst on Wednesday around 5 pm (about 49 mph). On weekdays the morning slowdown peaks around 8 am (52 mph on Wednesdays) and the evening slowdown around 5 pm (49 mph on Wednesdays). Midday (10 am to 2 pm) averages 61 mph. On weekends it is slowest on Saturdays around 3 pm (54 mph).

Typical average speed (mph) on I-495 South in Washington DC, 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	64	63	61	58	58	61	62	63	62	58	55	52	52	54	59	64	64
Tue	64	63	59	52	56	61	62	62	61	56	52	51	49	52	56	62	64
Wed	64	62	59	52	56	60	62	62	59	56	54	52	49	54	56	62	63
Thu	64	62	60	54	57	60	61	62	61	56	53	52	51	54	55	61	63
Fri	63	62	61	61	62	62	61	60	57	54	51	50	51	54	56	61	63
Sat	64	63	64	64	64	63	62	60	57	56	54	55	55	56	58	62	64
Sun	64	64	65	64	64	62	60	57	57	58	58	57	56	56	59	63	64

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 I-495 South in Washington DC?

Traffic on I-495 South is usually worst on Wednesday around 5 pm (about 49 mph).

What is the best time to drive I-495 South in Washington DC?

On weekdays, avoid around 8 am (52 mph on Wednesdays) and around 5 pm (49 mph on Wednesdays). Midday (10 am to 2 pm) averages 61 mph, and early mornings and late evenings are fastest.

Is I-495 South busy right now?

As of 11:35 am EST, I-495 South in the Washington, DC area is averaging 64 mph across 9 sensors, 3 mph faster than usual for this time.

Plan ahead: Washington DC traffic tomorrow · Traffic estimator

Other freeways in Washington DC

VA-28 North · VA-28 South · US-50 East · I-95 North · I-95 South · MD-295 North · MD-295 South · I-395 North · I-395 South · I-495 Inner Loop · I-495 North · I-495 Outer Loop

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	64	63	61	58	58	61	62	63	62	58	55	52	52	54	59	64	64
Tue	64	63	59	52	56	61	62	62	61	56	52	51	49	52	56	62	64
Wed	64	62	59	52	56	60	62	62	59	56	54	52	49	54	56	62	63
Thu	64	62	60	54	57	60	61	62	61	56	53	52	51	54	55	61	63
Fri	63	62	61	61	62	62	61	60	57	54	51	50	51	54	56	61	63
Sat	64	63	64	64	64	63	62	60	57	56	54	55	55	56	58	62	64
Sun	64	64	65	64	64	62	60	57	57	58	58	57	56	56	59	63	64

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	64	63	61	58	58	61	62	63	62	58	55	52	52	54	59	64	64
Tue	64	63	59	52	56	61	62	62	61	56	52	51	49	52	56	62	64
Wed	64	62	59	52	56	60	62	62	59	56	54	52	49	54	56	62	63
Thu	64	62	60	54	57	60	61	62	61	56	53	52	51	54	55	61	63
Fri	63	62	61	61	62	62	61	60	57	54	51	50	51	54	56	61	63
Sat	64	63	64	64	64	63	62	60	57	56	54	55	55	56	58	62	64
Sun	64	64	65	64	64	62	60	57	57	58	58	57	56	56	59	63	64

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	64	63	61	58	58	61	62	63	62	58	55	52	52	54	59	64	64
Tue	64	63	59	52	56	61	62	62	61	56	52	51	49	52	56	62	64
Wed	64	62	59	52	56	60	62	62	59	56	54	52	49	54	56	62	63
Thu	64	62	60	54	57	60	61	62	61	56	53	52	51	54	55	61	63
Fri	63	62	61	61	62	62	61	60	57	54	51	50	51	54	56	61	63
Sat	64	63	64	64	64	63	62	60	57	56	54	55	55	56	58	62	64
Sun	64	64	65	64	64	62	60	57	57	58	58	57	56	56	59	63	64