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Interstate 505 north
Northbound Interstate 505 is seen here at its southern terminus at Interstate 80 in the Vacaville area of Solano County. It has a sweeping curve to the left as it flies over I-80. (5-5-2026)
The highway crosses I-80 here. (5-5-2026)
An onramp from I-80 west soon joins I-505 north. (5-5-2026)
The Interstate's first exit is at Vaca Valley Parkway, ¾ mile away. It can be used to reach the Solano Community College. (5-5-2026)
I-505 is dedicated to the late California Highway Patrolman Kirk "Hollywood" Griess, who died in 2018 when he was stuck by a car while conducting a traffic stop at I-80 and Manuel Campos Parkway in Fairfield. (5-5-2026)
The truck/trailer speed limit along the highway is 55 MPH, the historic U.S. national average. (5-5-2026)
Vaca Valley Parkway is exit 1, and is seen here. (5-5-2026)
The cities of Winters and Redding are a respective 11 and 160 miles from here. The latter is by way of I-505's parent, I-5. (5-5-2026)
I-505 reassurance is posted to the right after exit 1. (5-5-2026)
The next exit is at Midway Road. (5-5-2026)
Midway Road is exit 3. (5-5-2026)
The Interstate then meets Allendale Road at an interchange ¾ mile away. (5-5-2026)
Before Allendale, I-505 crosses Sweaney Creek. (5-5-2026)
Allendale Road is marked as exit 6. (5-5-2026)
I-505 goes on over Allendale. (5-5-2026)
More I-505 reassurance follows exit 6. (5-5-2026)
The Interstate's next crossing is of Wolfskill Road. (5-5-2026)
The next 2 exits can each be used to reach the historic Main Street Winters. (5-5-2026)
Gas options at the second forthcoming exits are posted on the blue sign at right. (5-5-2026)
Another blue sign displays food services at the exit. (5-5-2026)
Meanwhile, the first exit leads to Putah Creek Road by way of Gaddini Road. (5-5-2026)
Afterward, the Interstate makes its way into Yolo County. (5-5-2026)
Then, I-505 intersects westbound California State Route 128, leading to Winters, at exit 11. Past CA 128's eastern end, there is an eastbound control city of Davis. (5-5-2026)
The exit 11 gore sign. (5-5-2026)
As CA 128 crosses I-505, northbound I-505 receives a cloverleaf onramp from CA 128 east. (5-5-2026)
There is I-505 reassurance after exit 11. (5-5-2026)
The cities of Williams and Redding are a respective 46 and 150 miles to the north. (5-5-2026)
The Interstate soon passes under Yolo County Road 31. (5-5-2026)
In one mile, the highway meets County Road 29A at exit 15. (5-5-2026)
Beforehand, the highway crosses Chickahominy Slough. (5-5-2026)
Exit 15 is straight ahead on the right. (5-5-2026)
A call box is located in front of the Road 29A overpass. (5-5-2026)
Soon afterward, I-505 intersects County Road 27 at exit 17. (5-5-2026)
The exit 17 gore sign. (5-5-2026)
A few miles away, there is a one-mile advance sign for exit 21, which intersects California State Route 16 with control cities of Woodland and Esparto. (5-5-2026)
Exit 21 also serves the community of Madison, where the interchange is located. (5-5-2026)
Exit 21 is ahead on the right. CA 16 has a cumulative length of 82 miles across two segments between Rumsey in Colusa County and Drytown in Amador County, but technically runs 111 miles taking into account a 29-mile gap which consists of segments of I-5 and U.S. Route 50 from Woodland to the east side of Sacramento. (5-5-2026)
CA 16 passes over I-505 as northbound I-505 receives a cloverleaf onramp from CA 16 east. (5-5-2026)
This faded sign states Williams and Red Bluff as being 35 and 169 miles to the north. (5-5-2026)
The Interstate soon crosses Cache Creek, a Sacramento River tributary. (5-5-2026)
1¼ miles away sits exit 24 with County Road 19. (5-5-2026)
Exit 24 lies straight ahead. (5-5-2026)
The exit 24 gore sign. (5-5-2026)
I-505 then comes within 1½ miles of exit 28, intersecting County Road 14 and serving Zamora. (5-5-2026)
Exit 28 is just ahead. (5-5-2026)
CR 14 crosses I-505 here. (5-5-2026)
I-505 reassurance follows the exit as the highway goes through the barren dunes of northern Yolo County. (5-5-2026)
The final northbound exit, 31, intersects County Road 12A. (5-5-2026)
The Interstate subsequently passes over CR 12A. (5-5-2026)
The community of Dunnigan is served by the next 2 exits, both along I-5. (5-5-2026)
I-505 has now reached its northern terminus at its parent I-5. (5-5-2026)
I-505 passes over I-5 before northbound traffic defaults onto it. (5-5-2026)