 : 1937 to 1963 |
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| : 1937 to 1963 |
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1769 - Portola discovers Newhall Pass.
1800 - El Camino Viejo extended to San Fernando Pass (Newhall Pass).
1847 - John C. Fremont marches through Newhall Pass on the way to Cahuenga Pass. Pass renamed Fremont Pass.
1852 - Henry C. Wiley builds a windlass system over Newhall Pass.
1854 - Phineas Banning makes a thirty foot deep cut into Newhall Pass. First Butterfield-Overland stages come through Newhall Pass.
1855 - Kern Canyon Gold Rush. Traffic brought to almost a standstill in Newhall Pass.
1857 - General Beale leads caravan of US Gov't camels through Newhall Pass.
October 21, 1858 - Butterfield-Overland Stage Route is started through
Banning Cut and San Francisquito
Canyon.
1863 - General Edward F. Beale deepens Banning's Cut to 90 feet.
1864 - Los Angeles and Ft. Tejon Road completed. Runs through San Francisquito Canyon.
1868 - Surveys looking for a better route over the Liebre Mountains find future Ridge Route alignment to be the best way.
Mid 1870's - First asphalt paving put down in Newhall Pass.
1876 - Newhall founded at present location of Saugus.
1878 - Newhall founded at present location.
1888 - Saugus founded.
1909 - First car travels through Beale's Cut.
1878 to 1910 - Railroad Avenue is the main street in Newhall.
1910 - Ridge Route is completed through Newhall. Spruce St. becomes the main street. Newhall Highway Tunnel is built to avoid the 29% grade at Beale's Cut.
1911 - California Highway Commission formed.
1912 - Surveys begin for Ridge Route alignment.
Late November 1915 - Ridge Route is completed over Tejon Pass. Castaic founded.
1916 - Original Santa Clara River Bridge built. Original South Fork Bridge built. State takes over highway through Newhall Pass.
1919-1920 - Ridge Route paved with a 20' slab of reinforced concrete.
1921 - Mint Canyon Road Completed (Sierra Highway).
1926 - US 99 commissioned using the Ridge Route and San Fernando Road.
1927 - Original Placerita Creek and La Placerita Creek Bridges built on San Fernando Road.
1928 - US 99 first signed in California by Auto Clubs.
March 12-13, 1928 - St. Francis Dam collapses washing out original Santa Clara River Bridge. Kills over 500 people.
Early 1929 - Current Santa Clara River Bridge completed.
Pre 1930 - Ridge Route and Sierra Highway (Mint Canyon Road) are the only way to Newhall.
1930 - US 99 completed through Weldon Canyon. Three lanes wide. (Newhall Alternate)
1933 - Ridge Route bypassed by the Ridge Route Alternate. Three lanes wide. (Ridge Route Alternate)
1934 - Mint Canyon Road (Sierra Highway) straightened through Mint Canyon. State Highways in California first signed. SR-7 is signed on Sierra Highway, San Fernando Road, and Soledad Canyon Road.
1935 - San Fernando Road widened to four lanes through downtown Newhall.
1936 - US 99 full three lanes from Newhall Pass to Grapevine.
1937 - US 6 extended to Long Beach, California from Denver, Colorado. SR-7 resigned as US 6 on Sierra Highway, Soledad Canyon Road, and San Fernando Road.
1938 - New Sierra Highway (US 6) bypasses Newhall and Saugus. Newhall Highway Tunnel is eliminated. Sierra Highway from Canyon Country to Newhall built with three lanes.
1943 - Grapevine Grade widened to four lanes.
1946 - First "Jersey" Barrier installed on Grapevine Grade. 1948-1951 - US 99 widened to a four-lane expressway from Weldon Summit to Bakersfield.
1948-1951 - US 99 widened to a four lane expressway from Weldon Summit to Tejon Pass.
1954 - First segment of the Golden State Freeway built. Begins at the SR-7, US 6, US 99 (Sepulveda Boulevard and San Fernando Road) junction and goes on the present-day truck routes of Interstate 5 to Weldon Canyon.
1960 - Placerita Canyon Road paved from Sierra Highway to Sand Canyon Road. Interstate 5 is signed along freeway sections of US 99.
Pre 1963 - Soledad Canyon Road runs on Valley Canyon Road near Lang Station Road. Rerouted when CA 14 was completed in 1963.
1963 - New SR-14 Antelope Valley Freeway is completed from Red Rover Mine Road to near Solemint Junction. End of freeway was near present-day Canyon Country Park. US 6 decommissioned from Long Beach to Bishop. Old SR-14 (Artesia Blvd) renumbered as SR-91. US 91 decommissioned in California.
1964 - US 99 is decommissioned. Signing is not taken down 1968. First segment of I-5 built in the SCV. Runs from Saugus Junction north to Castaic Junction.
1967 - Interstate 5 is completed through the SCV.
1968 - Sierra Highway widened to a four lane divided highway from Soledad Canyon Road to I-5. US 99 signage taken down along I-5 and older alignments.
Pre 1970 - Newhall Avenue goes to Magic Mtn. Pkwy (then Saugus and Ventura Road).
February 9, 1971 - Sylmar/San Fernando earthquake. Delay in opening 5/14 interchange due to quake damage.
1972 - US 99 is fully decommissioned in WA and OR.
1973 - SR-14 (Antelope Valley Freeway) is completed from Solemint Junction to Interstate 5.
1978 - Soledad Canyon Road is widened from Sierra Highway to Sand Canyon Road.
Winter 1983 - Sand Canyon Road Bridge washed out by El Nino floods.
1989 - San Fernando Road widened from Sierra Highway to Newhall.
1992 - San Fernando Road widened from Magic Mountain Parkway to Hi Chic Curve.
January 17, 1994 - Reseda/Northridge earthquake. 5/14 interchange rebuilt due to quake damage. Santa Susana Thrust Zone M6.8.
1995 - Magic Mountain Parkway is widened at Edison Curve. 5/14 interchange reopens as the Clarence Wayne Dean Memorial Interchange. 1916 bridge over the South Fork replaced.
1996 - San Fernando Road is widened from Newhall to Hi Chic Curve.
1998 - Carpool lanes open on SR-14 from San Fernando Road to Sand Canyon Road.
Numbering of the State Highways in the Santa Clarita Valley:
Return to Highways page
: 1926
to 1968
: 1934
to 1937