Anaheim is a city in northern Orange County, California, United States, part of the Greater Los Angeles area. As of the 2020 census, the city had a population of 346,824, making it the most populous city in Orange County, the tenth-most populous city in California, and the 55th-most populous city in the United States. Anaheim is the 2nd largest city in Orange County in terms of land area, and is known for being the home of the Disneyland Resort, the Anaheim Convention Center, and two major league sports teams: the Los Angeles Angels of Major League Baseball (MLB) and the Anaheim Ducks of the National Hockey League (NHL).
The Orange County Transportation Authority (OCTA) is the transportation planning commission for Orange County, California in the Los Angeles metropolitan area. OCTA is responsible for funding and implementing transit and capital projects for the transportation system in the county, including freeway expansions, express lane management, bus and rail transit operation, and commuter rail funding and oversight.
Interstate 605 is a 27-mile-long (43 km) major north–south auxiliary Interstate Highway in the Greater Los Angeles urban area of Southern California. It runs from I-405 and State Route 22 (SR 22) in Seal Beach to I-210 in Duarte. The San Gabriel River Freeway closely parallels the San Gabriel River for most of its alignment, hence its name, which is one of the few Southern California freeways not named after a city along its route.
State Route 91 (SR 91) is a major east–west state highway in the U.S. state of California that serves several regions of the Greater Los Angeles urban area. A freeway throughout its entire length, it officially runs from Vermont Avenue in Gardena, just west of the junction with the Harbor Freeway, east to Riverside at the junction with the Pomona and Moreno Valley freeways.
State Route 55 (SR 55) is an 18-mile (30-km) long north–south state highway that passes through suburban Orange County in the U.S. state of California. The portion of the route built to freeway standards is known as the Costa Mesa Freeway. SR 55 runs between Via Lido south of Pacific Coast Highway in Newport Beach and the Riverside Freeway in Anaheim to the north, intersecting other major Orange County freeways such as SR 22, SR 73, and Interstate 405 (I-405).
State Route 22 is an east–west state highway in the U.S. state of California that serves southern Los Angeles County and northern Orange County. It runs between Pacific Coast Highway in Long Beach and the Costa Mesa Freeway in Orange by way of Garden Grove. The westernmost part of SR 22 runs along Long Beach's 7th Street. From West Garden Grove to its eastern terminus in Orange, it is known as the Garden Grove Freeway. It is one of the two principal east–west routes in Orange County.
State Route 57 (SR 57), also known as the Orange Freeway for most of its length, is a north–south state highway in the Greater Los Angeles Area of the U.S. state of California. It connects the interchange of Interstate 5 (I-5) and SR 22 near downtown Orange, locally known as the Orange Crush, to the Glendora Curve interchange with I-210 and SR 210 in Glendora. The highway provides a route across several spurs of the Peninsular Ranges, linking the Los Angeles Basin with the Pomona Valley and San Gabriel Valley.
The Santa Ana Freeway is one of the principal freeways in Southern California, connecting Los Angeles and its southeastern suburbs including the freeway's namesake, the city of Santa Ana. The freeway begins at its junction with the San Diego Freeway, called the El Toro Y, in Irvine, signed as I-5. From there, it generally goes southeast to northwest to the East Los Angeles Interchange, where it takes the designation of U.S. Route 101 (US 101). It then proceeds 2.95 miles (4.75 km) northwest to the Four Level Interchange in downtown Los Angeles. Formerly, the entirety of the route was marked as US 101 until the 1964 highway renumbering, which truncated US 101 to the East Los Angeles Interchange and designated the rest of the freeway as I-5.
Interstate 405 is a major north–south auxiliary Interstate Highway in Southern California. The entire route is known as the northern segment of the San Diego Freeway. I-405 is a bypass auxiliary route of I-5, running along the southern and western parts of the Greater Los Angeles urban area from Irvine in the south to Sylmar in the north.
State Route 85 is a state highway which connects the cities of southern San Jose and Mountain View in the U.S. State of California. The highway intersects with major highways such as I-280, SR 17, and SR 87. The route serves as a bypass of U.S. Route 101 in the Santa Clara Valley area, running through the foothill cities of Los Gatos, Saratoga, Cupertino, roughly paralleling the Santa Cruz Mountains up to its interchange with I-280.
State Route 60 (SR 60) is an east–west state highway in the U.S. state of California. It serves the cities and communities on the eastern side of the Los Angeles metropolitan area and runs along the south side of the San Gabriel Valley. It functions as a bypass route of Interstate 10 (I-10) through the area between the East Los Angeles Interchange in Los Angeles and Beaumont. SR 60 provides a route across several spurs of the Peninsular Ranges, linking the Los Angeles Basin with the Pomona Valley and San Gabriel Valley. The highway also runs concurrently with SR 57 and I-215. Portions of SR 60 are designated as either the Pomona Freeway or the Moreno Valley Freeway.
State Route 237 is a state highway in the U.S. state of California that runs from El Camino Real in Mountain View to Interstate 680 in Milpitas. Known as the Southbay Freeway for most of its length, SR 237 runs south of the San Francisco Bay, connecting the East Bay to the Peninsula.
The Four Level Interchange is the first stack interchange in the world. Completed in 1949 and fully opened in 1953 at the northern edge of Downtown Los Angeles, California, United States, it connects U.S. Route 101 to State Route 110. In 2006, the interchange was officially renamed in the memory of Los Angeles traffic and weather reporter Bill Keene.
Colorado Boulevard is a major east–west street in Southern California. It runs from Griffith Park in Los Angeles east through Glendale, the Eagle Rock section of Los Angeles, Pasadena, and Arcadia, ending in Monrovia. The full route was once various state highways but is now locally maintained in favor of the parallel Ventura Freeway and Foothill Freeway (I-210).
The Southern California freeways are a vast network of interconnected freeways in the megaregion of Southern California, serving a population of 23 million people. The Master Plan of Metropolitan Los Angeles Freeways was adopted by the Regional Planning Commission in 1947 and construction began in the early 1950s. The plan hit opposition and funding limitations in the 1970s, and by 2004, only some 61% of the original planned network had been completed.
State Route 71 (SR 71) is a 15-mile (24 km) state highway in the U.S. state of California. Serving Riverside, San Bernardino, and Los Angeles counties, it runs from SR 91 in Corona to the Kellogg Interchange with I-10 and SR 57 on the border of Pomona and San Dimas. The segment from SR 91 to SR 83 in Chino Hills is called the Corona Freeway, formerly the Corona Expressway and before then the Temescal Freeway. SR 71 is designated as the Chino Valley Freeway between SR 83 and the Kellogg Interchange.
Santa Ana Canyon, or the Santa Ana Narrows, is the water gap where the Santa Ana River passes between the Santa Ana Mountains and the Chino Hills, near the intersection of Orange, Riverside, and San Bernardino counties, California. It receives particularly strong Santa Ana winds in comparison to surrounding areas, hence the name. Originally, U.S. Route 91 ran through the canyon; however, it has long since been re-signed or upgraded along the entirety of its former right-of-way in the state. California State Route 91 is its primary successor.
Interstate 5 (I-5) is a major north–south route of the Interstate Highway System in the United States, stretching from the Mexican border at the San Ysidro crossing to the Canadian border near Blaine, Washington. The segment of I-5 in California runs 796.77 miles (1,282.28 km) across the length of the state from San Ysidro to the Oregon state line south of the Medford-Ashland metropolitan area. It is the longest interstate in California, and accounts for more than half of I-5's total length.
Interstate 15 (I-15) runs north–south in the U.S. state of Utah through the southwestern and central portions of the state, passing through most of the state's population centers, including St. George and those comprising the Wasatch Front: Provo–Orem, Salt Lake City, and Ogden–Clearfield. It is Utah's primary and only north–south interstate highway, as the vast majority of the state's population lives along its corridor; the Logan metropolitan area is the state's only Metropolitan Statistical Area through which I-15 does not pass. In 1998, the Utah State Legislature designated Utah's entire portion of the road as the Veterans Memorial Highway.
The Judge Harry Pregerson Interchange is a stack interchange near the Athens and Watts communities of Los Angeles, California. It is the interchange of the following routes:
I-5 
SR 57 
