Road Information

Interstate 505 in California    
Total Mileage in State: 33 miles
Northern End: At I-5, near Dunnigan
Southern End: At I-80, in Vacaville
Mileage covered in Photos: 33 miles
Counties covered in Photos: Yolo, Solano
Major Junctions in Photos: CA 16, near Winters
I-80, in Vacaville
Control Cities in Photos: Dunnigan, Winters, Vacaville

Southbound

   

Interstate 505 South begins here at Exit 553 on Interstate 5 South in Dunnigan. (Photo taken 9/24/19).

Interstate 505 South immediately starts out with two thru lanes. (Photo taken 9/24/19).

The speed limit on Interstate 505 South starts out at 70 mph for automobiles. This is the standard maximum speed limit for cars on most rural Interstate highways in California. (Photo taken 9/24/19).

State-named Interstate 505 South reassurance shield. (Photo taken 9/24/19).

The speed limit for trucks of 3 axles or more starts out at 55 mph. This is the standard maximum speed limit for trucks on most rural Interstate highways in California. (Photo taken 9/24/19).

All vehicles towing trailers are restricted to 55 mph maximum. (Photo taken 9/24/19).

Interstate 505 South at Exit 31: Road 12A (Photo taken 9/24/19).

Advance signage for Exit 28, 1 1/2 miles ahead. (Photo taken 9/24/19).

Interstate 505 South at Exit 28: Road 14 / Zamora (Photo taken 9/24/19).

Emergency Call Box on Interstate 505 South in Yolo County. California is one of the only states to still have these devices posted along its highways. (Photo taken 9/24/19).

Advance signage for Exit 24, which is 2 miles ahead on Interstate 505 South. (Photo taken 9/24/19).

View on Interstate 505 South in Yolo County. (Photo taken 9/24/19).

Interstate 505 South at Exit 24: Road 19 (Photo taken 9/24/19).

Another view on Interstate 505 South in Yolo County. (Photo taken 9/24/19).

Take Exit 21 to Madison. (Photo taken 9/24/19).

Interstate 505 South at Exit 21: CA 16 - Woodland / Esparto (Photo taken 9/24/19).

Mileage sign on Interstate 505 South. It's 23 miles to Vacaville and 79 miles to San Francisco. (Photo taken 9/24/19).

The maximum speed limit for automobiles remains 70 mph. (Photo taken 9/24/19).

Another state-named Interstate 505 South reassurance shield. (Photo taken 9/24/19).

The truck speed limit remains 55 mph. (Photo taken 9/24/19).

The speed limit for all vehicles towing trailers remains 55 mph as well. (Photo taken 9/24/19).

View on Interstate 505 South nearing Exit 17. (Photo taken 9/24/19).

Interstate 505 South at Exit 17: Road 27 (Photo taken 9/24/19).

Interstate 505 South at Exit 15: Road 29A (Photo taken 9/24/19).

Interstate 505 South at Yolo County mile marker 2. (Photo taken 9/24/19).

Take Exit 11 to Lake Berryessa and Winters. (Photo taken 9/24/19).

Also take Exit 11 to Main St Winters Historic District. (Photo taken 9/24/19).

Interstate 505 South at Exit 11: CA 128 West - Winters / Davis (Photo taken 9/24/19).

Another mileage sign on Interstate 505 South. It's 13 miles to Vacaville and 69 miles to San Francisco. (Photo taken 9/24/19).

Interstate 505 South as it enters Solano County. (Photo taken 9/24/19).

State-named Interstate 505 South reassurance shield. (Photo taken 9/24/19).

Interstate 505 South at Exit 10: Putah Creek Road (Photo taken 9/24/19).

View on Interstate 505 South in Solano County. (Photo taken 9/24/19).

Interstate 505 South at Exit 6: Allendale Road (Photo taken 9/24/19).

Advance signage for Exit 3, which is now 3/4 mile ahead on Interstate 505 South. (Photo taken 9/24/19).

Interstate 505 South at Exit 3: Midway Road (Photo taken 9/24/19).

Take Exit 1C to Solano Community College and Vacaville Center. (Photo taken 9/24/19).

Interstate 505 South at Exit 1C: Vaca Valley Parkway (Photo taken 9/24/19).

One final state-named Interstate 505 South reassurance shield. (Photo taken 9/24/19).

Traffic to East Monte Vista Ave should take Exit 1A and follow Interstate 80 West. (Photo taken 9/24/19).

Interstate 505 South approaching its southern terminus at the junction of Interstate 80 via Exits 1B-A. Traffic to I-80 East via Exit 1B must use the right lane. (Photo taken 9/24/19).

Approaching the southern terminus of Interstate 505 at the junction of Interstate 80, the maximum speed limit for automobiles is reduced to 65 mph. (Photo taken 9/24/19).

Interstate 505 South at Exit 1B: Interstate 80 East - Sacramento; Exit 1A: Interstate 80 West - San Francisco (Photo taken 9/24/19).

A closer view of the split for the ramps to Interstate 80 West via Exit 1A (left) and Interstate 80 East via Exit 1B (right). (Photo taken 9/24/19).

View on the ramp to Interstate 80 East via Exit 1B, as it curves to the east. (Photo taken 9/24/19).

As Interstate 80 traffic comes into view straight ahead, we can see that this ramp is metered during peak traffic times. (Photo taken 9/24/19).

The ramp from Interstate 505 South to Interstate 80 East joins I-80 East here in Vacaville. (Photo taken 9/24/19).