Interstate 5

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Northbound Interstate 5 in Colusa County

Interstate 5 Highway Guides

Interstate 5 north
An Interstate 5 north reassurance shield is posted after the onramp from County Line Road. Photo taken 08/02/11.
After the County Line Road interchange (Exit 559), Interstate 5 north enters Colusa County. A mileage sign provides the distance to Arbuckle (6 miles) and Redding (117 miles). The next exit is six miles ahead, in Arbuckle. Old U.S. 99W and the railroad come into view on the east (right) side of the freeway. Due east of here are the Sutter Buttes, which can be seen from Interstate 5 in the distance. Photo taken 03/31/05.
The next exit along Interstate 5 north is Exit 566, Junction Business Loop I-5 to Arbuckle and Grimes-Arbuckle Road east to College City. The warning sign with overhead flashers (shown in the 2005 photo) apparently lights up from time to time, but it was turned off at the time when that photo was taken. Photos taken 09/05/08 (by Dominic Ielati) and 03/31/05.
The last remaining "Route 5 Business/Freeway" sign is located just prior to the Arbuckle interchange. The town center of Arbuckle sits on the east side of the freeway, and the business route follows Old U.S. 99W through it. The main street (Business Loop I-5) is named "Old Highway 99W." Photos taken 09/05/08 (by Dominic Ielati) and 03/31/05.
Northbound Interstate 5 reaches Exit 566, Junction Business Loop I-5 north to unincorporated Arbuckle and Grimes-Arbuckle Road east to the unincorporated community of College City. Through Arbuckle, Business Loop I-5 follows Old U.S. 99W through the downtown area, then rejoins Interstate 5 at Exit 567. The Arbuckle community limits sign in the distance shows a population of 837 and an elevation of 137 feet above sea level. However, the 2000 Census population figure for Arbuckle is much larger (2,332 people). Photos taken 09/05/08 (by Dominic Ielati) and 03/31/05.
The gore point is fully signed with an exit number. An Arbuckle sign is posted soon thereafter. This section of Interstate 5 (bypass around Arbuckle) is one of the oldest parts of old U.S. 99W freeway. The older design standards and undulating mainline provide some relief from the general straight and flat nature of Interstate 5 in the northern Central Valley. Photo taken by Dominic Ielati (09/05/08).
Making the exit onto Business Loop I-5 into Arbuckle, the mainline sign for Exit 567, Putnam Lateral (signed as "Frontage Road" back in 2005) can be seen. At the end of the ramp, the business route immediately begins its northbound journey through downtown Arbuckle. Turn right at the stop sign to follow Grimes-Arbuckle Road east to College City. Photo taken 03/31/05.

The next exit along Interstate 5 north is Exit 567, Junction Business Loop I-5 south to Arbuckle. CalNexus refers to this exit as "Putnam Lateral," and the sign calls it "Frontage Road." Photo taken by Dominic Ielati (09/05/08).
A testament to the older design standards used to build this section of Interstate 5 is the 60-mile-per-hour advisory speed for the curve ahead. Photo taken by Dominic Ielati (09/05/08).
In a moment similar to some older sections of California 99 freeway, Interstate 5 dips below grade briefly to pass under Hall Street. Photo taken by Dominic Ielati (09/05/08).
Northbound Interstate 5 reaches Exit 567, Junction Business Loop I-5/Putnam Lateral east to Old Highway 99W (east frontage road) and Putnam Lateral west to Putnam Way (west frontage road). Photo taken by Dominic Ielati (09/05/08).
An Interstate 5 reassurance shield is posted above the Putnam Lateral interchange immediately after the offramp to Exit 567. Photo taken by Dominic Ielati (09/05/08).
A second Interstate 5 reassurance shield is posted after the onramp from Putnam Lateral. Photo taken by Dominic Ielati (09/05/08).
After the Putnam Lateral/Business 5 interchange (Exit 567), this mileage sign along Interstate 5 north provides the distance to Williams (10 miles) and Redding (110 miles). Photo taken 03/31/05.
The next exit along Interstate 5 north is Exit 569, Hahn Road (one mile). Photo taken 08/02/11.
Use Hahn Road to the unincorporated community of Grimes. Photo taken 03/31/05.
Northbound Interstate 5 reaches Exit 569, Hahn Road to Grimes. This road travels west to Cortina School Road and east to California 45 at the town of Grimes along the Sacramento River. At this point Old U.S. 99W remains on the east side of the freeway along with the railroad. Photos taken 08/02/11 and 03/31/05.
The next exit along Interstate 5 is Exit 575, Junction Business Loop I-5 north to Williams. The business connection is made via east-west Husted Road; just exit Husted Road east to Old U.S. 99W, and then follow the former U.S. highway into downtown Williams via the familiar green signs. Photos taken 08/02/11 and 03/31/05.
Interstate 5 enters the city of Williams, which had a population of 5,123 as of the 2010 Census and incorporated on May 17, 1920. Photo taken 03/31/05.
Business Loop I-5 in Williams is signed with a green shield from the Interstate 5 mainline, which is a rarity. Although the Williams business loop at Exit 575 is only eight miles north of the Arbuckle business loop, the two business loops are considered two separate business loops rather than combined into one route. However, it is possible to drive Old U.S. 99W between the two extant business loops on the east side of the freeway. After this exit, the business loop and old U.S. 99W will pass under Interstate 5 and stay on the west side of the freeway through Williams and Maxwell. Photo taken 03/31/05.
Northbound Interstate 5 meets Exit 575, Junction Business Loop I-5/Husted Road to Old U.S. 99W north to Williams. The city of Williams is home to 3,670 people as of the 2000 census and features all motorist services and is a regional agricultural center. The downtown area is served by Business Loop I-5 (Old U.S. 99W), and a historic arch is located there. This sign was replaced to include the exit number by 2011. Photo taken 03/31/05.
After the Husted Road (Business Loop 5) interchange, an Interstate 5 north reassurance shield can be found. The freeway will soon pass over Business Loop I-5/Old U.S. 99W and the railroad in order to bypass the city of Williams. The billboard behind the reassurance shield refers to Granzella's restaurant, which is a popular attraction with its locally famous olives. Although the restaurant suffered substantial damage from a fire in October 2007, Granzella's reopened in Spring 2008. Photo taken 03/31/05.
The next exit along Interstate 5 north is Exit 577, Junction Business California 20/E Street west to Williams and east to Williams Airport. This is the main services exit for Williams, including gas, food, and lodging. Business California 20 leads west to meet Business Loop I-5 in downtown Williams, then reconnects with California 20 west of town. To the east of the freeway, Business California 20 passes a few more motorist services, turns north on Husted Road near Williams Airport, then merges back onto mainline California 20 near Freshwater Road. California 20 then continues east en route to Colusa. Photos taken 08/02/11 and 03/31/05.
Northbound Interstate 5 meets Exit 577, Junction Business California 20/E Street west to Williams and east to Williams Airport. For the main California 20 interchange, continue north to Exit 578, Junction California 20. Photo taken 03/31/05.
The next exit along Interstate 5 is Exit 578, Junction California 20. To the west, California 20 travels to Clear Lake and Lake County, including connections to the communities of Clearlake, Clearlake Oaks, Nice, Lucerne, and Upper Lake. After an overlap with U.S. 101 between Calpella and Willits, California 20 turns west parallel to the Skunk Train for the final distance to the coast. Ultimately, California 20 ends overlooking the Pacific Ocean, where it meets California 1 near Fort Bragg. Photo taken 03/31/05.
The right lane of Interstate 5 north becomes exit only for Exit 578, Junction California 20. To the east, California 20 travels to California 45 in Colusa, then crosses the Sacramento River at Meridian, en route to Marysville/Yuba City and Grass Valley/Nevada City. At its eastern end, California 20 merges onto Interstate 80 at Emigrant Gap; this is a good route for through traffic to Lake Tahoe and beyond (rather than going south to Sacramento). Photo taken 03/31/05.
Northbound Interstate 5 meets Exit 578, Junction California 20 east to Colusa, Yuba City, and Marysville and west to Clearlake, Lakeport, and Ukiah. While much of the state highway is only two lanes, it carries a fair amount of east-west through traffic. Photo taken 03/31/05.
After the onramp from California 20, this cautionary sign advises of a soft shoulder for the next 23 miles. Photo taken 08/02/11.
An Interstate 5 north reassurance route marker is posted shortly thereafter. Photo taken 08/02/11.
This mileage sign provides the distance to Maxwell (seven miles) and Redding (98 miles). Photo taken 08/02/11.
A Pacific Gas & Electric power line passes over Interstate 5. Looking toward the east, the power lines head toward Sutter Buttes, which rise in the middle of the Sacramento Valley. Photos taken 08/02/11.
The next exit along Interstate 5 north is Exit 583, Maxwell Safety Rest Area (one mile). Photo taken 08/02/11.
Northbound Interstate 5 meets Exit 583, Maxwell Safety Rest Area. This rest area includes restrooms, drinking fountains, vending machines, telephone, and pet walking area. Photos taken 08/02/11.
After passing the rest area at Exit 583, the next exit along Interstate 5 is Exit 586, Maxwell Road. Use Maxwell Road west to Business Loop I-5 and Old U.S. 99W in downtown Maxwell, an unincorporated community of Colusa County. The business route, which has paralleled Interstate 5 to the west since leaving Williams, leads directly into Maxwell via Old U.S. 99W. Photos taken 08/02/11 and 03/31/05.
Use Maxwell Road east to the Delevan National Wildlife and California 45 near the Colusa Casino Resort at Cachil Dehe Rancheria. To the west, Maxwell Road leads into downtown Maxwell, an unincorporated community of Colusa County. Photo taken 03/31/05.
The proposed yet unconstructed Sites Reservoir site is located west of Maxwell near the small town of Sites. This reservoir would be part of an enhanced water storage system in Northern California to store water during dry months and dry years. According to the Northern California Water Association (NCWA), "The proposed location of the Sites off-stream storage project is approximately 10 miles west of Maxwell in Antelope Valley. The reservoir would have a storage capacity of 1.9 million acre-feet (possibly larger) and would enhance water management flexibility throughout the state." It is not clear how this project is related to the East Park Reservoir described on this sign. Photo taken 03/31/05.
Northbound Interstate 5 meets Exit 586, Maxwell Road west to Maxwell and Sites and east to Delevan National Wildlife Refuge. This is no access to Exit 588, so this is the only exit from Interstate 5 north to the town of Maxwell. Exit 588 is a half-diamond, and Old U.S. 99W and Business Loop 5 pass under Interstate 5 at that interchange. The business loop continues north from Exit 588 toward Delevan and has additional connections with Interstate 5 at Exit 601 near Willows in Glenn County. Photos taken 08/02/11 and 03/31/05.
Interstate 5 curves a bit to the northwest as it approaches Interchange 588. There is no access from Interstate 5 north to Exit 588, which connects Interstate 5 south with Business Loop I-5 south to Maxwell and Williams. After this interchange, U.S. 99W transfers over to the east side of the freeway. The second picture shows Historic U.S. 99W traveling north away from the interchange. Photos taken 08/02/11.
Traffic from Business Loop I-5 north merges onto Interstate 5 north. This half-diamond interchange represents the northern terminus of this instance of Business Loop I-5. The next instance of Business Loop I-5 will begin at Exit 601 in Willows. Photos taken 08/02/11.
The final interchange in Colusa County on Interstate 5 north is Exit 591, Delevan Road to Delevan. The community sits east of Interstate 5 on old U.S. 99W. Photos taken 08/02/11 and 03/31/05.
Northbound Interstate 5 reaches Exit 591, Delevan Road to the unincorporated community of Delevan. Photo taken 03/31/05.
This mileage sign (located after the Delevan Road interchange) provides the distance to Willows (11 miles) and Redding (85 miles). Photo taken 03/31/05.
Interstate 5 leaves Colusa County and enters Glenn County. Photo taken 03/31/05.

Continue north to Willows Back to Interstate 5 Index Return to the California Gateway

Page Updated December 15, 2011.