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Orange County S-18


Orange County S-18 north
Northbound Orange County S-18 (El Toro Road) approaches California 73 (San Joaquin Hills Transportation Corridor) south to San Clemente. Photo taken 03/30/03.
A diamond interchange (Exit 5) joins CR S-18 (El Toro Road) with SR 73 (San Joaquin Transportation Corridor). Photo taken 03/30/03.
A reassurance marker for Orange County S-18 stands along El Toro Road north after the parclo interchange with Interstate 5. Photo taken 07/13/09.
Orange County S-18 south
Leaving the intersection with Jamboree Road, Orange County S-18 (Santiago Canyon Road) south approaches California 241 and 261, both parts of the Orange County Toll Road system. The initial ramp connect with to California 261 south to Irvine. Photo taken 03/09/08.
Entering the diamond interchange with SR 261 south and SR 241 north on CR S-18 (Santiago Canyon Road) south. SR 261 splits from SR 241 at an adjacent wye interchange. Photo taken 03/09/08.
California 261 is a short toll road that travels to Interstate 5 and Jamboree Road south in Irvine. Photo taken 03/09/08.
The ensuing left turn takes motorists onto SR 241 (Eastern Transportation Corridor) north to SR 91 in Santa Ana Canyon. Photo taken 03/09/08.
CR S-18 (Santiago Canyon Road) initially parallels the SR 241 toll road south. The two routes diverge, with Loma Ridge separating them southward toward Lake Forest. Photo taken 03/09/08.
The 12 mile drive southeast to Irvine Lake and Limestone Canyon is a highway safety corridor, requiring motorists to use daylight headlights. Photo taken 03/09/08.
Santiago Canyon Road passes just south of Irvine Lake along the northern periphery of Loma Ridge. Photo taken 03/09/08.
Trending southeast, CR S-18 heads through Limestone Canyon to pass under Diamond Haul Road at this bridge. Photo taken 03/09/08.
The Santa Ana Mountains come into view in this scene along Santiago Canyon Road east. CR S-18 will remain on Santiago Canyon Road until reaching Cook' Corner. Photo taken 03/09/08.
Southbound CR S-18 (Santiago Canyon Road) approaches Silverado Canyon Road, which travels east to Silverado Canyon and Black Star Canyon. Photo taken 03/09/08.
Continuing southeast along the Santiago River, much of the area burned during wildfires in November 2007. The ensuing winter saw an array of green covering the adjacent mesas, with California poppies adding a splash of orange. Beyond this section, CR S-18 intersects Modjeska Canyon Road, which is the original alignment of CR S-18 before the current route was built. Photos taken 03/09/08.
Winding south from Modjeska Grade Road, CR S-18 proceeds toward Cooks Corner. A Southern California Edison 220kV power line crosses over the highway in this scene. Photo taken 03/09/08.
Orange County S-18 (Santiago Canyon Road) and Orange County S-19 (Live Oak Canyon Road) come together at Cooks Corner. CR S-18 changes into El Toro Road ahead and turns southwest, while CR S-19 heads south toward Coto de Caza. Photo taken 03/09/08.
El Toro Road extends CR S-18 south to Lake Forest and Interstate 5. Photo taken 03/09/08.
CR S-18 (El Toro Road) meets SR 73 (San Joaquin Hills Transportation Corridor) at a diamond interchange, 0.8 miles ahead of its terminus at SR 133 (Laguna Canyon Road). Photo taken 03/30/03.
Old Orange County S-18 - Modjeska Canyon Road and Modjeska Grade Road
This series of pictures shows the old alignment of County Road S-18 heading south along Modjeska Canyon Road through to a switchback and older bridge near the community of Modjeska Canyon. Photos taken 03/09/08.
Modjeska Canyon Road changes into Modjeska Grade Road beyond the span over Santiago Creek. Increasing in elevation, old CR S-18 crests to the south of Modjeska Canyon with a wide open view. A set of Southern California Edison 220kV transmission lines cross over the alignment. Photos taken 03/09/08.
A number of hairpin turns punctuate the return to Santiago Canyon Road along Modjeska Grade Road. Photos taken 03/09/08.



Photo Credits:

2003-03-30, 2008-03-09, 2009-07-13 by AARoads

Page Updated 08-16-2017.

© AARoads