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Interstate 805

Click here for a key to the symbols used. An explanation of acronyms may be found at the bottom of the page.


Routing Routing

Inst 805From Route 5 near San Ysidro to Route 5 north of La Jolla and easterly of existing Route 5.

Post 1964 Signage History Post 1964 Signage History

This route remains as defined in 1963. Construction on the route began in 1966 with the 3.6 mi segment between 0.2 mi N of Home Ave and I-5. This route was completed in 1975.

There was once an Immigration Warning Sign (i.e., about people running across the road) at the I-5/I-805 split near the border. For more information on these warning signs, see I-5.

In San Diego, the I-805 routing runs along the border of what was once East San Diego and San Diego (the two later merged). Boundary Street, the former dividing line, now acts as a frontage road for portions of I-805 between Route 94 and I-8.
(Source: AARoads Interstate Guide I–805)

Pre 1964 Signage History Pre 1964 Signage History

This was LRN 241, defined in 1959. It was not signed as a state route until after 1964.

Status Status

I-805 Non-Specific Locations

2007 CMIA. A number of projects on I-805 in San Diego County were submitted to the Corridor Mobility Improvement Account for funding. These projects included N Coast Corridor, Stage 1D, Route 52-Carroll Cyn HOV ($148 million); 2 SB aux lanes, E Street to Route 54 ($19.445 million); North Coast Corridor, Stage 1A, Unit 2 ($82 million); and HOV lanes, Palomar-Route 94 ($330.5 million). None were recommended for funding.

Southern Junction I-5 near San Yisidro to Route 54 near Chula Vista

HOV Lanes - Chula Vista to San Diego

In December 2011, the CTC approved for future consideration of funding a project in San Diego County that will construct High Occupancy Vehicle lanes on Interstate 805 in the cities of San Diego, Chula Vista, National City, and portions of the unincorporated County. The project roughly extends from East Palomar Street on the South to Landis Street on the North (~ SD 5.093 to SD 15.73). This is a two-phase project. Phase One is fully funded at $200,000,000, and consists of the following: PPNOs 0730A and 0730B (EAs 2T180X and 2T181), which are programmed in the Corridor Mobility Improvement Account and include local funds; and EAs 2T182 and 2T183, which are fully funded with federal and local funds. Phase Two will consist of approximately seven projects that are not yet programmed. The total estimated cost for the two-phase project is $1,390,000,000 for capital and support. Construction of Phase One is estimated to begin in Fiscal Year 2011-12. The scope for Phase One, as described for the preferred alternative, is consistent with the project scope programmed in the CMIA baseline agreement. Resources that may be impacted by the project include; aesthetics, biological resources, water quality and stormwater runoff, and traffic. Potential impacts associated with the project can all be mitigated to below significance through proposed mitigation measures. Initial funding was deferred to January 2012.

In January 2012, the CTC approved funding $100 million for the 11-mile Express Lanes project on I-805. This project will add two managed lanes to the highway from East Palomar Street in Chula Vista to the I-805/Route 15 interchange (~ SD 5.093 to SD 15.129). Cost of the project is $1.3 billion and the balance is expected to come from a combination of federal, state, local and TransNet dollars. Plans call for the construction of two express lanes in the center of the highway, one in each direction.

In December 2018, the CTC authorized relinquishment of right of way in the city of Chula Vista (City) along Route 805, along East Palomar Street, Raven Avenue, and Nacion Avenue (11-SD-805-PM 5.0/5.2), consisting of collateral facilities. The City, by superseded freeway agreement dated November 15, 2011, agreed to accept title upon relinquishment by the State. The City, by resolution adopted July 10, 2018, agreed to waive the 90-day requirement and accept the relinquishment.
(Source: December 2018 CTC Minutes, Agenda Item 2.3c)

In early October 2009, Caltrans began construction on two new freeway lanes on the southbound side of I-805, between Bonita Road and Route 54 (~ SD 7.837 to SD 8.786). State officials say the auxiliary lanes will make it easier to get on and off the freeway. Caltrans received federal stimulus funds to pay for the $11.5 million project. It is expected to be completed in a year.

The SAFETEA-LU act, enacted in August 2005 as the reauthorization of TEA-21, provided the following expenditures on or near this route:

Route 54 near Chula Vista to I-8 Near Mission Valley

No items

I-8 near Mission Valley to Route 52

In January 2014, the CTC authorized relinquishment of right of way in the city of San Diego along Route 805 on Balboa Avenue (approx SD 21.674), consisting of a reconstructed city street. The City, by Resolution dated October 29, 2013, waived the 90-day notice requirement and agreed to accept title upon relinquishment by the State.

Route 52 to Northern Junction I-5 near Torrey Pines

I-805 Carrol Canyon HOV Lane Project (~ SD 23.72 to SD 27.076)

In June 2009, the CTC approved for future consideration of funding a project that will extend Carroll Canyon Road under Route 805, add High Occupancy Vehicle (HOV) lanes in both the northbound and southbound direction along Route 805, and construct north-facing direct access ramps from the HOV lanes to the Carroll Canyon Road extension. The project is programmed in the Corridor Mobility Improvement Account and includes local funds. Total estimated project cost is $102 million, capital and support. Construction is estimated to begin in Fiscal Year 2009-10. The scope as described for the preferred alternative is consistent with the project scope set forth in the approved project baseline agreement.

In March 2011, the CTC approved for future consideration of funding a future project that will construct one High Occupancy Vehicle lane/Bus Rapid Transit lane in each direction on I-805 from just north of Route 52 to just north of Mira Mesa Boulevard. Included with this project is the construction of the south facing Direct Access Ramps (DAR) at Carroll Canyon Road. The project includes local and federal funds and will be programmed in the Proposition 1B State-Local Partnership Program at the March 23-24, 2011 CTC Meeting. The Department and the San Diego Association of Governments are also concurrently requesting Design-Build authorization for this project. Construction is estimated to begin in Fiscal Year 2013-14. Total estimated project cost is $174,924,000 for capital and support. The scope as described for the preferred alternative is consistent with the project scope programmed by the Commission in the Proposition 1B State-Local Partnership Program. The project will mitigate potential impacts to biological resources to a less than significant level. Potential impacts to threatened or endangered species habitat within the project area will be mitigated through creation and/or restoration of habitat at the Del Mar Mesa and the Deer Canyon mitigation sites.

In February 2013, it was reported that construction on the $86 million, four-mile-long I-805 North project will build High Occupancy Vehicle (HOV) lanes in each direction, and a northbound offramp and southbound onramp for HOV traffic on I-805 at Carroll Canyon Road was scheduled to begin in late February 2013.

HOV construction completed and the lanes were opened in March 2014.

In June 2016, it was reported that two new car-pool lanes were opening on I-805 near its merge with I-5 in late June 2016. The high-occupancy vehicle lanes that are opening are between Route 52 and Mira Mesa Boulevard — as well as a direct access ramp from Carroll Canyon Road for carpools, buses, motorcyclists, and vehicles with clean-air permits. The two new carpool lanes on I-805 and the direct access ramp are the first of five phases of projects for I-805, and upcoming work includes an additional HOV lane in the median north of Route 52 to La Jolla Village Drive, more direct access ramps, a new park and ride and transit station and carpool lanes connecting I-805 to Route 52. A direct access ramp gives access to a HOV lane from a cross street rather than by changing lanes from the highway. The future projects on I-805 are not yet funded, and there is no timeline for their construction. A half-cent sales tax, however, is expected to pay for some of the work. The HOV lanes opened in June, cost $119 million and include around $15 million from the sales tax while the remaining funds come from the state and federal governments. There are additional plans for work on the interchange at I-5 and Genesee Avenue — double-tracking and extending rail lines, expanding a circulator bus loop and building a bike and pedestrian path.
(Source: UT San Diego, 6/15/2016)

PPNO 1285 Aux Lanes, Route 52-Nobel Drive (~ SD 23.72 to SD 25.483)

The 2018 STIP, approved at the CTC March 2018 meeting, appears to allocate Advance Project Development Element (APDE) funding of $4.2M for PS&E for PPNO 1285 Aux Lanes, Rt 52-Nobel Drive (~ SD 23.72 to SD 25.483)

The 2020 STIP, approved at the CTC March 2020 meeting, appears to continue programmed funding for PPNO 1285 "Aux Lanes, Rt 52-Nobel Drive (APDE)"
(Source: March 2020 CTC Agenda, Item 4.7, 2020 STIP Adopted 3/25/2020)

In September 2012, Caltrans approved signage directing motorists to the Miramar National Cemetary. Caltrans will install signs in both the north and south directions on both freeways near Nobel Drive and Miramar Road. The agency also is working with the city of San Diego to place signs on Miramar Road (~ SD 25.951) to steer motorists in the right direction. Caltrans had originally rejected the signs, believing motorists could follow the exits leading to the base. It was unaware that doing that would force motorists to backtrack as the cemetery and base are on two different roads separated by some distance. In approving the signs, Caltrans indicated that “Upon a more detailed review, Caltrans misunderstood the proximity of the Miramar National Cemetery and the Marine Corps Air Station Miramar” base.
(Source: UT San Diego, 9/24/2012)

In June 2017, the CTC authorized relinquishment of right of way along Route 805 at Carroll Canyon Road (11-SD-805-PM R27.0), in the city of San Diego, consisting of collateral facilities. The City, by Cooperative Agreement dated June 11, 2009, Amendment No. 1 to Agreement dated February 9, 2011, and by Amendment No. 2 to Agreement dated December 13, 2013, agreed to accept title upon relinquishment by the State. The 90-day notice period expires June 19, 2017.

In April 2008, the CTC authorized relinquishment of right of way in the city of San Diego, north and south of Sorrento Valley Boulevard (~ SD 28.344), along the westerly side of Vista Sorrento Parkway, consisting of relocated and reconstructed city streets, frontage roads, and other State constructed local roads.

In San Diego, TCRP Project #82 reconstructed the I-5/I-805 interchange, from Genesee Avenue to Del Mar Heights Road. The basic plan was to extend C/D (Collector/Distributor) roadways along I-5 from Route 56 to I-805. Trucks would also be directed onto the C/D roads, so they would also serve as truck bypass lanes, separated from the main lanes by concrete barriers. The "C/D lanes" (4 in each direction) are labelled as the "LOCAL BYPASS" (not truck lanes). Northbound the signage (from both I-5 and I-805) is "LOCAL BYPASS/Junction 56 EAST", reflecting that one must use the bypass to access Route 56); southbound it is "LOCAL BYPASS/Carmel Mountain Rd". The bypass includes a new Carmel Mountain Rd exit in both directions. Route 56 traffic going south merges into the bypass.

Naming Naming

Jacob Dekema FreewayThis route is named "Jacob Dekema Freeway". It was named by Senate Concurrent Resolution 12, Chapter 48, in 1982. Jacob Dekema, a Caltrans engineer from 1938 until his retirement in 1980, was instrumental in the planning and construction of the freeway that bears his name. USC has a great article on Mr. Dekama and his legacy for the transportation infrastructure of San Diego. Dekama passed away in May 2017 at the age of 101. A former Caltrans district director, Dekema’s legacy was particularly visible in San Diego County, which had but 25 miles of freeway when he arrived in 1955. By the time he retired a quarter of a century later, there were 485 miles of interstate, connecting the beach to the island and opening up Mission Valley. Dekema, who died April 16 from natural causes at an assisted living facility in La Jolla, was known affectionately as “Mr. Caltrans” for the hand he had in constructing the region’s intricate network of highways and connectors, an accomplishment often cited as helping inspire the nation’s interstate-highway system. Tens of millions of federal transportation dollars went to California during Dekema’s tenure. After the money dried up, he often lamented what he saw as an unfinished system, never forgetting a list of freeways he would have liked to see extended. During his years as director of Caltrans District 11, which then encompassed San Diego, Imperial and portions of Riverside counties, Dekema endured critics who said he constructed too many freeways, along with those who said he wasn’t moving fast enough. As opposed to engineers who designed highly viable highways as aesthetic achievements, Dekema was known for attempting to lace his transportation system into the region’s network of canyons in an attempt to limit negative impacts on communities and skylines. In 1982, I-805 in San Diego was named the Jacob Dekema Freeway. In honor of his 100th birthday, the California Transportation Foundation started the Dekema Scholarship for high school and college students aspiring to careers in transportation planning. He graduated with a bachelor’s degree in civil engineering from USC in 1937 and went to work for Caltrans, at a time when the Pasadena Freeway — now known as the Arroyo Seco Parkway -- was being designed. In a USC retrospective, he said he was among those who lobbied for the narrow, winding highway to be six lanes rather than four. During World War II he served in the Navy and then returned to the transportation agency before landing in San Diego as the region’s Caltrans director.
(Source: LA Times Obituary, 5/8/2017; Image source: LA Times)

This route was previously named the "Inland Freeway".

Named Structures Named Structures

Officer Jonathan M. De Guzman Memorial BridgeThe Palomar Street Bridge on I-805, at SD 5.07, Bridge 57-0861 (rebuilt in 2017 as 57-1222), in the City of Chula Vista, California, is named the "Officer Jonathan M. De Guzman Memorial Bridge". It was named in memory of Officer Jonathan M. De Guzman, who was fatally shot while in the line of duty on Thursday, July 28, 2016. Officer De Guzman was a 16-year veteran of the San Diego Police Department, a member of the Gang Suppression Unit, and a member of the Special Weapons and Tactics Unit. Officer De Guzman received the San Diego Police Department’s Purple Heart award in December 2003 for being wounded in the line of duty in August 2003. Officer De Guzman and the Gang Suppression Unit were also recipients of the San Diego Police Department’s Meritorious Service Award for Outstanding Bravery in March 2016 for their actions in subduing an individual whom the officers feared posed a dangerous threat to the community. When the officers apprehended the individual, they discovered his vehicle contained homemade weapons, pipe bombs, CO2 cartridges, and a pyrotechnic device. Named by Assembly Concurrent Resolution (ACR) 9, 8/30/2017, Res. Chapter 126, Statutes of 2017.
(Image source: Fox 5 San Diego; Officer Down Memorial Page)

Donna De NealThe Orange Avenue overcrossing (Bridge 57-0616, SD 016.32) is named the Donna De Neal Bridge. Donna De Neal was a Caltrans Equipment Operator who was killed by an inattentive motorist on Route 75 near Imperial Beach while replacing a damaged sign. She lived in the area near Orange Avenue. Named by Senate Concurrent Resolution 34, Chapter 94, on September 2, 1999.
(Image source: Caltrans HQ on Facebook)

Roscoe E. Hazard Memorial BridgeBridge 57-0619, at Adams Avenue in San Diego county (SD 016.99), is named the "Roscoe E. Hazard Memorial Bridge". It was built in 1970, named by Senate Concurrent Resolution 67, in 1967. Roscoe E. "Pappy" Hazard Sr. (1881-1975) established a museum in old town San Diego and constructed many of the highways in southern California. Roscoe Elwood "Pappy Hazard" (1880-1975) was born in Arizona and moved to San Diego in 1900. In 1915 he became a paving contractor who went on to found the R.E. Hazard Contracting Company in 1926. The company, still in existence, built many of San Diego's major freeway interchanges and evolved into a full-service general engineering contracting firm with a focus on private sector work. Pappy Hazard was an avid collector of Western memorabilia who traveled all over the country acquiring Western objects. The collection includes horse-drawn vehicles, saddles, branding irons, firearms, tack, various ethnographic objects, a large number of Southwestern Indian pottery and much more. In 1960, Pappy Hazard opened the "Old West Museum" in San Diego's Mission Valley at the company's 42-acre concrete block manufacturing site to display his vast collection. In 1972, Governor Ronald Reagan accepted Pappy's extensive collection on behalf of the people of California and it was transferred to California State Parks. Hazard also helped fund the reconstruction of Seeley Stables in Old Town San Diego to house his donated collection. Some of the collections, such as the wagons, were part of an exhibit installed there in 1974. Much of the Hazard Collection is maintained and stored at the State Museum Resource Center. And, many pieces of the Southwestern Pottery Collection reside at the Antelope Valley Indian Museum. The San Diego History Center described him thusly: "Cattle rancher — meat packer — bookkeeper — rancher — traveling salesman (long before the automobile) — hardware dealer — rancher — building roofer — sporting goods store owner — rancher — warehouse operator — miller — retail grocer — rancher — contractor — drayman — rancher — highway contractor — building materials dealer — rancher — real estate operator — civic servant — rancher. Always, a rancher — and always, an ardent fan of anything having to do with horses and the big sky, wide open country in which they are at their best and most beautiful. “Pappy” Hazard is a prime example of the old adage, paraphrased, “You can take the boy away from the ranch — but you can’t take the ranch out of the boy.” He builds highways that extend for hundreds of miles in many directions — but all the roads of his personal interest lead toward his magnificent museum of Western history and lore, at Friars Road and Cabrillo Freeway."
(Addl info: Calif State Parks; Image source: AARoads; Outgress; San Diego History Center)

State Senator Jack Schrade (R-Del Mar)Bridge 57-0720 (SD 017.46 - SD 017.49), the I-8/I-805 interchange in San Diego county, is named the "Jack Schrade Interchange/Mission Valley Viaduct". It was built in 1973, and named by Senate Concurrent Resolution 41, Chapter 101, in 1972. Senator Jack Schrade (R-Del Mar, 1963-1976) was a delegate to Republican National Convention from California in 1964. During the UC Berkeley student uprisings in the 1960s, Sen. Schrade called for dismissal of professors and expulsion of students who have taken part in Free Speech Movement activities, going so far as to draft a proposed constitutional amendment to require similar disciplinary action in the event of future demonstrations. Sen. Schrade also provided support for environmental causes. As chairman of the Senate Rules Committee in 1970, he introduced Senate Resolution No. 137, that officially established May 15 at Peace Officers' Memorial Day.
(Image Source: Our Campaigns)

Henry G. FentonBridge 57-0762, the Old Miramar Road overcrossing (actually, Eastgate Mall Road, SD 026.34) in San Diego county, is named the "Henry G. Fenton Bridge". It was built in 1971, and was named by Assembly Concurrent Resolution 71, Chapter 91, in 1982. Henry G. Fenton, who came to San Diego as an 8 year old orphan in 1880, became a contractor, pioneer rancher and owner of the Western Salt Company and the H.G. Fenton Material Company.
(Image source: YouTube)

Exit Information Exit Information

Other WWW Links Other WWW Links

Commuter Lanes Commuter Lanes

HOV lanes are planned between Route 52 and Mira Mesa Blvd.

Interstate Submissions Interstate Submissions

Approved as chargeable interstate in 7/1958.

Classified Landcaped Freeway Classified Landcaped Freeway

The following segments are designated as Classified Landscaped Freeway:

County Route Starting PM Ending PM
San Diego 805 0.49 3.36
San Diego 805 3.40 6.68
San Diego 805 6.97 7.28
San Diego 805 7.53 8.04
San Diego 805 8.04 8.29
San Diego 805 8.29 17.57
San Diego 805 18.23 24.01
San Diego 805 25.80 26.08
San Diego 805 27.61 28.87

Freeway Freeway

[SHC 253.1] Entire route. Added to the Freeway and Expressway system in 1959.

Statistics Statistics

Overall statistics for Route 805:


Acronyms and Explanations:


Back Arrow Route 780 Forward Arrow Route 880

© 1996-2020 Daniel P. Faigin.
Maintained by: Daniel P. Faigin <webmaster@cahighways.org>.