City of Irvine
2020 Local Hazard Mitigation Plan
periods to offset reduced water supplies under periods of severe drought or during periods of supply interruptions. 19
Wastewater in Irvine travels throug h IRWD’s collection system to the Michelson Water Reclamation Plant, where it is treated through the reclamation process for use in landscaping, agricultural irrigation, and other non-potable water uses. However, one part of the City, the Irvine Business Complex, is not within the IRWD collection system. The IBC is in the Orange County Sanitation District (OCSD), tributary zone No. 7, and wastewater generated in the IBC flows to OCSD treatment facilities. 20
The Orange County Sanitation District treats Irvine’s wastewater. Image from IMEG.
Transportation
Much of the transportation infrastructure in Irvine consists of roadways for automobiles, but there are many modes of travel into and out of the City. In total, there are freeways, buses/shuttles, local commuter trains, and longer distance trains. For non-motorized travel, the City has an extensive network of pedestrian trails and bicycle paths.
There are 2 Interstates (I), I-5 and I-405 and 5 State Routes (SR): SR 55, SR 73, SR 133, SR 241, and SR 261 that connect Irvine to the greater Southern California region. Of these SR transportation facilities, SR55 is the only one that does not charge tolls. All interchanges from these freeways connect to major thoroughfares within the City. Table 2-9 identifies the freeways that connect to the City of Irvine and the connections to the City’s local transportation network. 21
The entryway to the Irvine Station: Catch the Amtrak, Metrolink or OCTA. Photo courtesy of Griffin Structures.
Table 2-9: City of Irvine Transportation Infrastructure
Freeways in Irvine
Direction
Exits Serving the City of Irvine
I-5
North | South North | South
Jamboree Road, SR 261 interchange,
I-405
Culver Drive, Jeffrey Road, Shady Canyon Drive, SR 133 interchange, Irvine Center Drive, I-5 interchange (NB|SB)
SR 55
North | South Northwest| Southeast North | South Northwest| Southeast Northwest| Southeast
MacArthur Boulevard
SR 73 (Toll Road)
Jamboree Road, MacArthur Boulevard/University Drive, Bison Avenue, Bonita Canyon Drive, Newport Coast Drive Irvine Boulevard, I-5 interchange (NB|SB), Barranca Parkway, I-405 interchange (NB|SB), Laguna Canyon Road/Pavona Street, Lake Forest Drive
SR 133 (Toll Road)
SR 241 (Toll Road)
Portola Parkway west, SR 133 interchange
SR 261 (Toll Road)
Jamboree Road south, Walnut Avenue, Jamboree Road north to I-5, Irvine Boulevard, Portola Parkway
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