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State Route 156

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Routing Routing

  1. Rte 156 Seg 1From Route 1 near Castroville to Route 101 near Prunedale.

    Post 1964 Signage History Post 1964 Signage History

    This segment is unchanged from its 1963 definition.

    On November/December 1964 California Highways and Public Works guide a new freeway alignment of Route 1 in Castroville is discussed which included a new junction with Route 156. This new alignment included Route 156 being routed over a new overpass of the Southern Pacific Railroad in Castroville. At some point between 1979 and 1981 Route 1 was relocated west of Castroville onto a bypass. The realignment of Route 1 extended Route 156 west onto the Castroville Freeway grade to it's present west terminus.
    (Source: Gribblenation Blog: "California State Route 156")

    Pre 1964 Signage History Pre 1964 Signage History

    This entire routing was LRN 22. This segment was defined in 1933. It was not part of the original 1934 state signage of routes. It was likely signed in 1938 with the portion of Route 156 E of US 101, but it doesn't show up on state highway maps until after 1964.

    Originally Route 1/LRN 56 northbound entered Castroville via Preston Road where it turned left at Merritt Street. Route 156/LRN 22 westbound entered Castroville by way of an at-grade crossing of the Southern Pacific Railroad from Castroville Boulevard onto Salinas Street. Route 156/LRN 22 made a right had turn on Merritt Street and met Route 1/LRN 56 at Preston Road. Route 183/LRN 118 northbound entered Castroville on Merritt Street and terminated at Route 156/LRN 22 at Salinas Street. The original alignment of LRN 22 in Castroville can be seen on modern Castroville Boulevard headed westbound towards Route 156. As Castroville Boulevard swings left towards modern Route 156 the abandoned highway can be seen ahead approaching the Union Pacific Railroad tracks. Route 156 would have originally crossed the tracks at an at-grade crossing onto Salinas Street in Castroville. A pedestrian overpass now exists where the at-grade highway crossing once existed. LRN 22 would have originally headed westbound on Salinas Street to Merritt Street. Originally LRN 22 and possibly Route 156 turned northward towards downtown Castroville and Route 1 before 1944. After 1944 Route 156 (the highway shows up topographical maps from an undetermined date) terminated at Merritt Street where it meet Route 1 which would have come in from the opposite direction on Salinas Street. Southbound Merritt Street was LRN 118 which became Route 183 during the 1964 Highway Renumbering.
    (Source: Gribblenation Blog: Historic Highway Alignments in Castroville (CA 1, CA 156 and CA 183))

    Status Status

    Constructed to freeway standards from Route 1 near Castroville to Castroville Blvd.

    Until the early 1980s, Route 1 entered Castroville from the south via Route 156 eastbound (the current freeway), then exited at the diamond interchange for Merritt Street (~ MON R1.096) and continued northwest via Merritt. However, by the mid-1980s, the current Castroville bypass was constructed; as a consequence, the portion of freeway on Route 1 between Merritt Street and the bypass became an extension of Route 156, and Merritt Street became part of Route 183.

    Castroville/Prunedale West Corridor (MON R1.3/T5.2)

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

    • High Priority Project #3804: Widening of Route 156 in Monterey County between Castroville and US 101. $5,000,000.

    In May 2013, the Transportation Agency for Monterey County released a report that indicated converting the outdated two-lane Route 156 into a nearby four-lane toll road between Route 1 and US 101 could be mostly paid for by modest tolls, ranging from $1.60 to $2.50 a trip. That would cover most of the $268 million in construction costs and other safety improvements along the Route 156 corridor. And most of the improvements could be completed in less than a decade, compared with the current 30-year-plus time frame.
    (Source: Mercury News, 5/20/13)

    In August 2013, the CTC approved for future consideration of funding a project that will widen a portion of Route 156 from two lanes to four lanes and convert a portion of US 101 from an expressway to a freeway near the city of Castroville. The project is not fully funded. Design and Right of Way are programmed in the 2012 State Transportation Improvement Program. The total estimated cost is $104,194,000 for capital and support. Construction is estimated to begin in Fiscal Year 2018-19 or later. The scope, as described for the preferred alternative, is consistent with the project scope programmed by the Commission in the 2012 State Transportation Improvement Program. The project would add two new lanes in both EB and WB directions S of the existing Route 156 (which will impact farmland), on a new alignment.

    The 2018 STIP, approved at the CTC March 2018 meeting, appears to deallocate $21,400K from PPNO 0057C and recast it as the Route 156 West Corridor (allocating $1,600K), In and near Prunedale and Castroville, from 0.6 mile west of Castroville Boulevard to the Route 101/156 separation. Widen to 4 lane divided expressway. 05-Mon-156 R1.3/T5.2 05-Mon-101 94.6/96.8.

    In March 2020, the CTC approved the 2020 STIP, which continued programmed funding of $1,600K for PPNO 0057C "Rt 156 West Corridor". It also included PPNO 057C, 4-lane expressway, Castroville-Prunedale, in the Interregional portion of the STIP with no change in programming: $7.700K in prior year funding.
    (Source: March 2020 CTC Agenda, Item 4.7, 2020 STIP Adopted 3/25/2020)

    Castroville Blvd Interchange (~ MON R1.819)

    The 2018 STIP, approved at the CTC March 2018 meeting, appears to allocate $19,800K for the Castroville Blvd Interchange (~ MON R1.819). The Monterey COG described the project as build a new interchange at Castroville Boulevard and Route 156, with connections to Blackie Road to improve access for commercial traffic. There is a related project, also funded in the STIP, that extends Blackie Road to connect to a new interchange at Route 156 and Castroville Boulevard. The COG notes that Route 156 at Castroville Boulevard is the top collision location in Monterey County. In addition, Route 156 is the major link connecting the San Francisco Bay area and North Monterey County to the Monterey Peninsula. With its present narrow configuration, it currently operates over capacity, with substantial delays and safety concerns, particularly during special events on the Monterey Peninsula. This congestion affects travel to and from the Peninsula as well as travel between US 101 and Route 1 for local residents. In addition, the traffic impedes access to the Oak Hills neighborhood. This project will direct truck traffic away from Merritt Street in Castroville and from the accident‐ridden Route 183/Route 156 interchange. It will also help relieve traffic congestion on Route 156 while improving safety and local traffic circulation in North Monterey County. The extension of Blackie Road provides traffic congestion relief and improves safety for Oak Hills and other local communities.

    In April 2018, it was reported that a new interchange is being pursued at Castroville Boulevard and Route 156, where there is currently a stop light. An interchange would end t-bone accidents, rear-end collisions and make it safer by getting trucks out of Castroville, with a new Route 156 connection to Blackie Road. This could take five years.
    (Source: Mercury News, 4/5/2018)

    In March 2020, the CTC approved the 2020 STIP, which adjusted the programmed funding for PPNO 0057D "Castroville Blvd Interchange", from $19,800K to $27,675K.
    (Source: March 2020 CTC Agenda, Item 4.7, 2020 STIP Adopted 3/25/2020)

    In June 2020, the CTC approved the following allocation: $18,100,000 for the Right of Way capital phase for 05-Mon-156 R1.6/1.4 PPNO 05-0057D ProjID 0518000120 EA 31601 Castroville Boulevard Interchange. Route 156 in Monterey County at Castroville Boulevard from Post Mile R1.6 to 1.4. Build a new interchange at Castroville Boulevard and Route 156. The  project scope requires the acquisition of 15 parcels and extensive offsite environmental  mitigation and utilities. The signalized intersection at Castroville Boulevard and Route 156 is the only signal along the  route west of US 101. Because of that, drivers may be unprepared for traffic that has completely stopped due to a red signal. The accident rate at the Castroville Boulevard  intersection on Route 156 is over twice the rate of what would be expected of a similar  intersection in California. Additionally, the frequent stoppage of traffic due to the signal causes congestion. Traffic has been known to back-up in both directions for miles during the Summer and for weekend events on the peninsula.
    (Source: June 2020 CTC Agenda, Agenda Item 2.5c.(8))

  2. Rte 156 Seg 2From Route 101 to Route 152 passing near San Juan Bautista and Hollister.

    Post 1964 Signage History Post 1964 Signage History

    In 1963, this segment was defined as "(b) Route 101 near The Rocks to Route 152 via San Juan Bautista and Hollister."

    On the 1966 Division of Highways State Map the route of Route 156 west of San Juan Bautista is shown upgraded to a new expressway.

    In 1968, Chapter 282 clarified the routing as "(b) Route 101 near The Rocks to Route 152 via passing near San Juan Bautista and Hollister."

    Pre 1964 Signage History Pre 1964 Signage History

    This entire routing was LRN 22. The original portion of the route was defined in 1909 and ran from San Juan Bautista to Hollister. In 1919, the portion from Hollister to Route 152 was defined, and in 1933, the remainder of the route (between Castroville and San Juan Bautista) was added. It was signed as Route 156 by 1938 (as it shows up on the 1938 State Highway Map as a state signed route), but was not part of the original 1934 state signage of routes.

    Within San Benito County the original path of Legislative Route 22 used the following route west of Route 152:
    (Source: Gribblenation Blog: "California State Route 156")

    • The present alignment from the Santa Clara County Line southwest to San Felipe Road.
    • San Felipe Road southward into downtown Hollister which becomes San Benito Street.
    • San Benito Street west to 4th Street.
    • 4th Street west to San Juan-Hollister Road. San Juan-Hollister Road used to connect to modern Route 156 before the present bypass route was built. Much of the alignment described above is now part of Business Route 156 in Hollister.
    • Modern Route 156 on San Juan Road west to Old San Juan-Hollister Road.
    • Old San Juan-Hollister Road west to the The Alameda (which was part of the San Juan Grade of US 101).
    • The Alameda north into downtown San Juan Baustista to Third Street.
    • Third Street to Monterey Street.
    • West on Monterey Street back to the modern Route 156 expressway.
    • The Route 156 expressway was to Rocks Road.
    • Rocks Road west to US 101 on the Prunedale Grade.

    Within Monterey County LRN 22 westbound multiplexed US 101 southbound through Prunedale to San Miguel Canyon Road. From San Miguel Canyon Road LRN 22 turned west onto Castroville Boulevard where it continued onward to Salinas Street in Castroville. Within Castroville LRN 22 and later Route 156 swung north onto Merritt Street to meet Route 1 at Preston Road. On the September 1935 Department of Public Works guide the new route of LRN 22 west of San Juan Buatista to US 101/LRN 2 (referred to the Prunedale Cut-Off) is discussed. The original route of LRN 22 on Rocks Road is referred to as "a winding county road" that was immediately improved temporarily with an oiled earth application upon being adopted in 1933. The new junction with LRN 22 and US 101/LRN 2 is shown to be a Y-Configuration. Route 156 between Prunedale west to Castroville was realigned onto the modern two-lane expressway circa 1944. The realignment of Route 156 between Castroville and Prunedale was built in conjunction with a realignment of Route 1 through Castroville. Route 156 subsequently met Route 1 at western terminus along Salinas Street at Merritt Street.
    (Source: Gribblenation Blog: "California State Route 156")

    LRN 22 used Blackie Road in Prunedale from US 101 to reach LRN 118 (modern Route 183) on Merritt Street in Castroville. This is alignment is shown on the 1935 California Divisions of Highway Map of Monterey County. It doesn't appear Blackie Road was part of Route 156 when it was signed over LRN 22 in 1964 but the state highway map doesn't provide enough detail to be certain.
    (Source: Gribblenation Blog: "California State Route 156")

    Status Status

    US 101 to Hollister (Northern Business Route Terminus)

    Route 156 Widening - US 101 to Hollister (SBT 3.0 to R8.2)

    In his 2006 Strategic Growth Plan, Governor Schwartzenegger proposed converting two major conventional roadway segments to four-lane expressway. Projects have major safety and mobility benefits for travel from the Bay Area to the Monterey Peninsula and from the Central Valley to US 101.

    2007 CMIA. Two projects on Route 156 in Monterey County were submitted to the Corridor Mobility Improvement Account for funding. These projects were a 4 lane expressway, Alameda to Union-Mitchell ($37,987K requested) and the Route 156 Corridor west phase 1 ($166,700K requested) . Neither was recommended for funding.

    In November 2007, the CTC reviewed a draft EIR for a project to construct roadway improvements that include widening, from two lanes to four lanes, a portion of Route 156 near Hollister. The project is not fully funded. The project is programmed in the 2006 State Transportation Improvement Program for project development and right-of-way for $22,203,000. The total cost of the project is estimated to be $78,300,000, capital and support. This project should be ready for construction in Fiscal Year 2009-10, depending on the availability of funds. The alternatives are basically (a) whether the roadway is divided or conventional, and (b) whether there are frontage roads, and on which sides of the highway. The project would be between The Alameda (PM 3.0) and San Juan Road (PM 8.2).

    [Hollister]In December 2008, the CTC approved for future consideration of funding a project that would widen the existing two-lane conventional highway to a four-lane expressway from The Alameda (PM 3.0) in San Juan Bautista to 0.2 mile east of Fourth Street/Business Route 156 (PM R8.2). The project is fully funded in the 2008 State Transportation Improvement Program with Regional Improvement Program , Interregional Improvement Program, local, and federal funds. The estimated cost of the project is $69,611,000, capital and support, and is estimated to begin construction in Fiscal Year 2012-13. Issues with the construction, permanently removing farmlands and the public controversy associated with the project resulted in an Environmental Impact Report (EIR) being completed for this project. Upon completion of the EIR, impacts related to farmlands are anticipated to be significant and unmitigable. As a result, a Statement of Overriding Consideration was adopted.

    In October 2011, the CTC approved for future consideration of funding a project to widen Route 156 from a two-lane conventional highway to a four-lane expressway on new alignment from the Alameda in San Juan Bautista to just east of Fourth Street. The project is programmed in the 2010 State Transportation Improvement Program and includes local funds. Total estimated project cost is $69,961,000 for capital and support. The scope as described for the preferred alternative is consistent with the project scope programmed by the Commission in the 2010 State Transportation Improvement Program. A copy of the FEIR has been provided to Commission staff. Resources that may be impacted by the project include; noise, biological resources, hydrology and floodplains, and farmlands. Potential impacts associated with the project can all be mitigated to below significance through proposed mitigation measures with the exception of farmlands. The proposed improvements, with all recommended mitigation measures, would still have significant adverse impacts to farmlands in San Benito County with 127 acres of prime farmland being converted to non-agricultural purposes. As a result, a Final Environmental Impact Report was prepared for the project.

    In December 2011, it was reported that the Monterey County Transportation Agency is considering funding the new alignment via toll lanes. The plan would be to charge drivers up to $2 to use the new lanes, with the price varying by time of day and traffic conditions. The money would be used to help pay for a project that could cost more than $106 million, of which only $13 million is in hand -- the impact of Monterey County's failure to get two-thirds support for a sales tax increase a few years ago. If the plan moves ahead, construction could start in 2016. If not, it may be 15 to 20 years before a bypass is built. The current route would be turned into a frontage road, one that could be used by residents so they would not have to pay a toll.

    In November 2016, it was reported that there are plans to turn Route 156 into a four-lane expressway in and near San Juan Bautista to Hollister. Construction on the $44.6 million job should start in 2019 and take two years.
    (Source: Mercury News, 11/3/2016)

    The 2018 STIP, approved at the CTC March 2018 meeting, appears to adjust construction funding from $9.639M to $14.7M in FY19-20. The project, PPNO 0297, is in San Juan Bautista, from The Alameda to 0.2 mile east of Fourth Street. Widen to 4 lanes.

    The 2020 STIP, approved at the CTC March 2020 meeting, continues programmed funding of $14,700K for PPNO 0297 "4-lane expressway, San Juan Bautista (RIP)". It also included PPNO 0297, 4-lane expressway, San Juan Bautista (IIP), in the Interregional portion of the STIP with no change in programming: $81,554K in prior year funding.
    (Source: March 2020 CTC Agenda, Item 4.7, 2020 STIP Adopted 3/25/2020)

    In 1997, a bypass was opened from a point west of town near Union Road to the intersection of Route 156 and San Felipe Road angling bypassing the city of Hollister (~ SBT R7.811 to SBT R13.245). This is a two-lane bypass built to expressway standards. The old routing through town is still signed as Route 156 and Route 25 for some of it. There are plans to widen this to four lanes; the EIR was completed in September 2002, per CTC September 2002 Agenda.

    In August 2010, the CTC approved relinquishment of right of way in the city of Hollister on Route 156U (San Juan Road, Business Route 156), being the city’s portion of the San Benito River Bridge (SBT R008.45), consisting of superseded highway right of way.

    In February 2010, the CTC approved relinquishment of right of way in the county of San Benito along Route 156U at the San Benito River Bridge (SBT R008.45) , consisting of superseded highway right of way, and along Route 156 at Buena Vista Road, consisting of collateral facilities.

    Constructed to freeway standards from US 101 near San Juan Bautista to San Juan Road.

    Route 25 / Route 156 Roundabout (~ SBT R11.256)

    Rte 25 / Rte 156 RoundaboutIn August 2018, it was reported that Caltrans plans to build a roundabout at the intersection of Route 25 and Route 156, scheduled for completion in August 2021. It will eventually get replaced by an interchange when the Route 25 expansion project moves forward at an undetermined time. The roundabout project with a $7.7 million construction cost, to go with $3 million in “support costs”, will be funded by the state as a safety improvement project through the State Highway Operations and Protection Program, or SHOPP. The project remains in initial planning stages. There is “concept layout” and it is heading into the design and then construction phases, said roundabout Project Manager Brandy Rider. Plans presented to the local COG board in recent months show Caltrans will be ready to list the roundabout project for bidding in late August 2020, and it is set for a target end construction date at the end of October 2021. The roundabout is separate, however, from the Route 25 expansion. The timing and financing of that will depend on whether San Benito County taxpayers approve a 30-year, 1 percent sales tax on the November ballot. Under long-term Route 25 expansion plans, the roundabout would be replaced by an interchange. That replacement would happen many years down the road, and Rider said it could be 15 years or so until such a change might occur. While Caltrans is paying for the roundabout, the state has made it clear local taxpayers would have to cover the majority of the expansion funding, which would come from the ballot measure if approved. The nearly $300 million expansion would result in a four-lane, 11.2-mile commuter highway from Hollister to Santa Clara County.
    (Source: San Benito Live, 8/15/2018)

    In August 2018, the CTC amended the SHOPP to add the following project: 05-SBt-25 54.0 PPNO 2746, Project 0517000185, EA 1J480. Route 25 Near Hollister, at the intersection of Route 25 and Route 156. Improve safety by constructing a roundabout. Est. cost: $10,628,000. Est. construction start: 10/28/2021.
    (Source: August 2018 CTC Agenda Item 2.1a.(1))

    In June 2019, it was reported that Caltrans District 5 will hold a public information meeting/open house about a proposed safety roundabout project for the intersection of Route 25 and Route 156.
    (Source: BenitoLink, 6/20/2019)

    In December 2019, it was reported that the roundabout planned for the Route 25/Route 156 intersection at Hollister’s north end is moving forward and is on schedule. According to Caltrans, the project is fully funded, its environmental review is completed and final designs and right-of-way acquisitions are scheduled for August 2020. The $10.7 million project aims to make the busy intersection safer. Roundabouts are increasingly common in new residential developments, as a substitute for four-way stops. The state has begun using them at busy traffic-signaled intersections that have had high accident rates. New, successful roundabout projects in Tracy and Palmdale match Hollister’s traffic patterns, according to the state. The plan is a short-term fix, however, as the state’s long-term vision is to realign and widen Route 25 to four lanes and build an interchange at its connection to Route 156. No date or funding has been set for that new highway replacement for the jammed two-lane commuter route that Route 25 has become. The proposal to place an interchange at this location will not be finalized, under best case scenarios, until 2028, according to Caltrans. Construction on the roundabout could start as early as the summer of 2021 with a winter 2021 completion date. The roundabout is a 2-lane design, and state planners said it will be able to handle big rigs.
    (Source: San Benito.Com, 12/20/2019)

    Hollister (Northern Business Route Terminus) to Route 152

    Route 152 / Route 156 Interchange

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

    • High Priority Project #1759: Improvements to the Route 152/Route 156 Intersection. $800,000. (~ SCL 0.475)
    • High Priority Project #1793: Reconfigure intersection at Route 152 and Route 156 in Santa Clara County. $11,120,000. (~ SCL 0.475)

    According to, there are currently plans to build a flyover ramp intersection with Route 152. Estimated completion date is 2008. It opened for public traffic in late January 2009.

    Naming Naming

    CAL-FIRE Firefighter Matt Will Memorial HighwayThe 5-mile portion of Route 156 from US 101 to Route 25 (~ SBT 0.055 to SBT R11.322)is named the "CAL-FIRE Firefighter Matt Will Memorial Highway". This segment was named in memory of California Department of Forestry and Fire Protection (CAL-FIRE) Heavy Fire Equipment Operator (HFEO) Fire Captain Matt Will, who passed away in the line of duty on October 9, 2007, at the age of 30, while battling a fire in Monterey County. Matt Will was born in El Cajon, California on March 13, 1977, and was raised in Campo, California. He attended elementary through high school in Campo where he participated in many sports including football, baseball, and wrestling. He enjoyed many outdoor activities, such as camping, fishing, hunting, and off-roading. After graduating from high school, Matt Will helped run his family business where he became proficient at operating heavy equipment. HFEO Gary Will, father of Matt Will, is employed by CAL-FIRE. Matt Will followed in his father's footsteps as he pursued the career of his dreams as a HFEO by applying his passions for heavy equipment and firefighting. He was always charismatic and caring, and his drive and motivation were displayed daily. Matt Will's leadership skills carried him to reach his goals and to encourage others to reach theirs. Matt Will was extremely knowledgeable, with abundant experience and excellent judgment that enabled him to be on the fireline operating alone. On October 8, 2007, HFEO Matt Will tried to get another bulldozer out of a precarious situation, placing Matt Will in a very dangerous location. The ground of the steep terrain gave way causing Matt Will's bulldozer to roll 154 feet down a steep drainage, in which Matt Will sustained injuries. On October 9, Matt Will succumbed to those injuries. Named by Assembly Concurrant Resolution (ACR) 106, 6/17/2010, Resolution Chapter 38.
    (Image sources: Wild Land Firefighting Always Remember, National Fallen Firefighters Assn)

    Named Structures Named Structures

    Bridge 43-0044, the San Benito River Bridge, in San Benito County (SBT R008.45) is named the "Ed Hanna Memorial Bridge". It was named by Senate Concurrent Resolution 22, Chapter 65 in 1997. Ed Hanna was a long time San Benito County employee, having worked in the 1940's as county surveyor and later as County Engineer and Road Commissioner.

    Joseph A. Zanger Sr.The flyover ramp at the interchange of Route 152 and Route 156 is named the "Joseph A. Zanger Memorial Flyover" (~ SCL 0.475). This segment was named in honor of Joseph A. Zanger, who was born on December 28, 1927, in San Jose, California. After attending college, Joseph moved to the Pacheco Pass area to help manage his family's orchard operations. In 1943, the Zanger family founded Casa de Fruta to complement its farming business. The Casa de Fruta business started with a small cherry stand built in 1943 and grew to include a large fruit stand, a restaurant, a park for recreational vehicles, a lodge, wine tasting, a gift shop, a barnyard zoo, a candy store, a service station, and a dried fruit mail order business. Joseph studied safety and economic issues related to the transportation system of central California and served as an advocate for the improvement of transportation in that area. In 1978, Joseph served on the planning committee for the I-5 project from Stockton to Santa Nella/Route 152. In 2005, Joseph also worked to establish a new route from Route 152/Route 156 to US 101. Joseph's advocacy for safety and transportation improvements has affected thousands of motorists. Named by Senate Concurrent Resolution (SCR) 85, Resolution Chapter 67, on 8/4/2010.
    (Image source: Gilroy Dispatch)

    Business Routes Business Routes

    The old routing through the city of Hollister is signed as Business Route 156.

    National Trails National Trails

    De Anza Auto Route This route is part of the De Anza National Historic Trail.

Freeway Freeway

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

Scenic Route Scenic Route

[SHC 263.1] Entire route.

Interregional Route Interregional Route

[SHC 164.17] Between Route 1 and Route 152.

Other WWW Links Other WWW Links

Statistics Statistics

Overall statistics for Route 156:

Pre-1964 Legislative Route Pre-1964 Legislative Route

In 1933, Chapter 767 defined the route from "[LRN 60] near Topanga Beach to Montalvo-San Fernando Road near Chatsworth" as a state highway. In 1935, this route was added to the highway code as LRN 156, with the definition:

"[LRN 60] near Topanga Beach to [LRN 9] near Chatsworth"

In 1959, Chapter 1062 clarified the definition to be: "[LRN 60] near Topanga Beach but north of the intersection of Sunset Boulevard and [LRN 60] to [LRN 9] at or near Chatsworth"

This is present-day Route 27 (Topanga Canyon). At one time, it was proposed for the Reseda Freeway.

Acronyms and Explanations:

Back Arrow Route 155 Forward Arrow Route 157

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