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The Hollywood Freeway is one of the principal freeways of Los Angeles, California (the boundaries of which it does not leave) and one of the busiest in the United States. It is the principal route over the Cahuenga Pass, the primary shortcut between the Los Angeles Basin and the San Fernando Valley. It is considered one of the most important freeways in the history of Los Angeles and instrumental in the development of the San Fernando Valley. It is the second oldest freeway in Los Angeles (after the Arroyo Seco Parkway).〔 From its southern end at the East Los Angeles Interchange to its intersection with the Ventura Freeway in the southeastern San Fernando Valley (the Hollywood Split), it is signed as part of U.S. Route 101. It is then signed as State Route 170 north to its terminus at the Golden State Freeway (Interstate 5). ==Route description== The freeway runs from the Four Level Interchange in downtown Los Angeles to the Golden State Freeway in the Sun Valley district of Los Angeles in the San Fernando Valley. From the Four Level Interchange to its intersection with the Ventura Freeway in the southeastern San Fernando Valley (also known as the Hollywood split), the freeway is signed as part of U.S. Route 101; thereafter, it is signed as State Route 170. The intersection of the Hollywood and Pasadena Freeways, known as the Four Level Interchange, is one of the major landmarks in Los Angeles and a symbol of the city's post-World War II development. The entire route is part of the California Freeway and Expressway System.〔(CA Codes (shc:250-257) )〕 SR 170 begins its northbound route at the junction with the Ventura Freeway. SR 134 heads to the east and US 101 continues to the west. On the southbound side, a sign indicates "END Route 170." Curiously, there is no interchange from SR 134 West to US 101 South. This connector route was put on hold pending the construction of the Laurel Canyon Freeway, which never came to fruition. Motorists intending to go in that direction must exit SR 134 at Cahuenga Boulevard, make a left, continue on Lankershim Blvd. and follow the signs near Universal Studios to re-enter on US 101. Likewise, there is no interchange from US 101 North to SR 134 East. Motorists intending to go in that direction must exit US 101 at Vineland Ave., make a right, make another right on Riverside Dr. and enter SR 134 on the left. This interchange is also known as the "Hollywood Split." SR 170 then continues through the northeastern portion of the San Fernando Valley, finally merging onto northbound I-5. There is no connector route to I-5 South because the angle between the two freeways is too acute. There are HOV lanes in operation 24 hours a day in each direction of SR-170 between I-5 and the Hollywood Split interchange. As part of the I-5 improvements, construction has begun on the interchange of SR 170 and I-5 to make the current SR 170 carpool lanes connect with the proposed I-5 carpool lanes. This as well as improve traffic flow in and out of the interchange. When the I-5 improvements are completed, SR 170 carpoolers will be able to connect with the I-5 carpool lanes as well as the SR-14 carpool lanes (from the I-5) without merging into regular lanes. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Hollywood Freeway」の詳細全文を読む スポンサード リンク
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