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(SR-023), stretches north from the SR-101 to the SR-118, with a section being recently
named the Military Intelligence Memorial Freeway. It further continues through Ventura
County toward the SR-126 and this portion is known as Grimes Canyon Road. The
southern portion, running through the Santa Monica Mountains, represents a riparian
corridor consisting of Valley Grasslands, Chaparral, Foothill Woodlands, and some small
wetlands. The roadway elevation varies from about 25meters AMSL (75feet AMSL) to
300meters AMSL (1000feet AMSL).
6) Topanga Canyon Boulevard (SR-027) is similar in environmental features to Decker
Canyon Road. It represents a riparian corridor consisting of Coastal Sage Scrub,
Chaparral, Foothill Woodlands, and some limited areas of grasslands and wetlands. The
elevations where Native gathering places were located varies from about 20meters
AMSL (65feet AMSL) to 400meters AMSL (1310feet AMSL).
7) San Gabriel Canyon Road (SR-039) travels from about Foothill Boulevard over the
San Gabriel River and up to the gate about 6 miles south of SR-002. A final 6.1-mile (9.8
km) stretch of the road has been closed since 1978 due to a rock slides. The roadway
travels along several different plant communities, including Coastal Sage Scrub, Yellow
Pine Forest, Foothill Woodland, Chaparral, Pinyon-Juniper Woodland, and even small
areas of Valley Grasslands.
8) State Route 101 (SR-101) represents a highly built environment with multiple freeway
lanes. Native collectors would not carry out harvesting activities along the SR-101 unless
at Park-n-Ride locations if a valuable plant species were needed. Broadly, the plant
communities along the SR101 include Valley Grasslands, Chaparral and Coastal Sage
Scrub. Most plant communities are introduced, non-natives that have volunteered or were
planted in ROW landscaping.

9) Ronald Reagan Freeway (SR-118) travels from Saticoy in Ventura County east to
Lake View Terrace in Los Angeles County. The western portion up to SR-27 is narrower
than the wider, multilane freeway toward the eastern portion of the route, but there are
still few notable Native American collecting places on the SR-118. The plant
communities include Chaparral and Coastal Sage Scrub with Foothill Woodlands
dominating the middle portions of Route 118. There do not appear to be any
contemporary gathering places in the eastern portion of the Route 118 given that plant
communities are introduced, non-natives that have volunteered or were planted in ROW
landscaping.

10) Korean War Veteran’s Memorial Highway (SR-126) consists of two-lane and four-
lane highways with portions of the Los Angeles County portion sometimes known as
Henry Mayo Drive. Two California Historical Landmarks (CHL) are located along SR-
126, in Ventura County.
11) Pear Blossom Highway (SR-138) becomes State Route 18/”Palmdale Road” (SR-
018) near the San Bernardino County border. In this arid section of L.A. County, lovely
communities of Creosote Bush Scrub populate the countryside roadways. Complimenting
Complementing the abundant scrublands, Joshua Tree Woodlands flourish along with
disparate communities of Alkali Sinks, Pinyon-Juniper Woodlands, Valley Grasslands,
and Chaparral.

Caltrans D7 Region/Los Angeles County Ethnographic Consultation 11