Interstate 15 in California

From Wikipedia, the free encyclopedia

Interstate 15
Main route of the Interstate Highway System
(CS&HC Section 315)
Length: 287.26 mi[1] (462.3 km)
South end: I-8/SR 15 in San Diego
Major
junctions:		 I-215 in Murrieta
I-10 in Ontario
I-40 in Barstow
North end: I-15 in Nevada
California State Routes
< SR 14 SR 15 >
Unconstructed - Deleted - Freeway - Scenic

Interstate 15 (abbreviated I-15) that runs north-south 287.26 mi (462 km) through Southern California. It is a major thoroughfare for traffic between Southern California and Las Vegas. It is also the main route for traffic between San Diego and the Inland Empire.

Contents

Most of Interstate 15 is undergoing major improvements from Devore to the Nevada State Line, beginning in 2002, costing $349 million. This project will improve traffic flow on the heavily traveled highway for those going to and from Las Vegas. Most of the construction will be completed by Winter 2009. Projects include:

  • Adding truck lanes on hills (39 miles at various locations)
  • Repave 76 miles of I-15 at various locations
  • Renovate and rehabilitate the rest area between Baker and the Nevada State Line (Valley Wells Rest Area)
  • Reconstructing bridges in Baker
  • Move the agriculture inspection station from Yermo to the Nevada State Line and include a truck weigh station

Since August 14, 2006, the Devore Interchange (I-15 and I-215) have undergone a $26 million project to replace deteriorating roadway on the outer lanes in both directions on I-15. Also, a 3-mile truck climbing lane will be added on the northbound I-15 from the I-15/I-215 interchange. The project was completed on January 8, 2007.

I-15's state (and national) southern terminus is I-8 in San Diego. From I-8, it runs north through Escondido in San Diego County, passing MCAS Miramar. The highway passes through hilly terrain and avocado farmland before entering Riverside near the rapidly-growing community of Temecula. In Murieta, I-15 splits from its first (and only) spur route in California, I-215, which runs through the two largest cities in the Inland Empire: San Bernardino and Riverside. I-15 runs along the eastern edge of the Santa Ana Mountains, passing the community of Lake Elsinore. The freeway continues through the suburban sprawl in the western Inland Empire, passing Corona and Ontario. The highway then heads northward and upward through Cajon Pass, a historic pass for travelers heading to Los Angeles from the north and east. North of the pass, I-15 traverses the Mojave Desert cities of Hesperia and Victorville. The freeway passes through mostly unspoiled desert for 30 mi (48 km) before reaching Barstow, the last city I-15 passes through in California. The only other settlement I-15 passes through in its final 108 mi (174 km) is Baker, known as the "Gateway to Death Valley" and is home to the world's largest thermometer. I-15 leaves California near the gambling town Primm, Nevada (formerly Stateline, Nevada).

The I-15 Express Lanes are high-occupancy toll (HOT) lanes located in the median of Interstate 15 between California State Route 163 and California State Route 56 in San Diego.

I-15 carries several names as it passes through California. Between I-5 and I-805 (a future part of I-15, now signed as SR-15 because several off-ramps and on-ramps are not built to Interstate Standards), the freeway is known simply as Wabash, most likely because its route runs along the old route of Wabash Street in San Diego.[2] Route 15 between I-805 and SR-91 is officially known as Escondido Freeway.[2] The stretch of I-15 in San Diego County north of SR-163 is known also as the "Cabrillo Freeway". I-15 between SR-163 and Miramar Road is known as the Semper Fi Highway in recognition of the nearby MCAS Miramar.[2]

Although the following cities do not lie along I-15, they are listed as control cities for usage on I-15

Legal Definition of Route 15: California Streets and Highways Code, Chapter 2, Article 3, Section 315

 Route 15 is part of the Scenic Highway System, as stated by section 263.3 of the California State Highway Code.

Postmiles are derived from[3] and exit numbers derived from[4].

County Location Postmile # Destinations Notes
County North South
SR-15 becomes I-15
San Diego San Diego SD R6.13   State Route 15 South SR-15 expected to become part of I-15 in the near future
N/A 6B Interstate 8; Camino del Rio South
SD R6.82 7A
7B		 7 Friars Road Split into Exit 7A (East) and Exit 7B (West) northbound
SD R8.37 8 Aero Drive
SD R9.24 9 Balboa Avenue; Tierrasanta Boulevard
SD R10.00 10 N/A Clairemont Mesa Blvd Northbound exit and southbound entrance; Southbound exit and northbound entrance combined with Exit 11 (SR-52)
SD M11.46 11 State Route 52; Clairemont Mesa Blvd
SD M11.97 N/A 12 State Route 163 South Southbound exit and northbound entrance
SD M13.33 13 Miramar Way
SD M14.29 14 Miramar Road; Pomerado Road
SD M15.00 15 Carroll Canyon Road
SD M15.92 16 Mira Mesa Boulevard
SD M17.31 17 Mercy Road; Scripps Poway Parkway
SD M18.18 18 Poway Road; Rancho Peñasquitos Road
  SD M19.50 19 State Route 56 West; Ted Williams Parkway
San Diego SD M20.57 21 Carmel Mountain Road
SD M21.92 22 Camino del Norte
SD M22.94 23 Bernardo Center Drive
SD M23.69 24 Rancho Bernardo Road
SD M26.20 26 West Bernardo Drive; Pomerado Road
Escondido SD M26.97 27 Via Rancho Parkway
  SD M27.65 28 N/A Centre City Parkway Northbound exit and southbound entrance
SD R28.77
SD R28.89		 29 Felicita Road; Citracado Pkwy Southbound exit accessible via Gamble Ln
Escondido SD R30.09 30 9th Avenue; Auto Park Way
SD R30.63 31 Valley Parkway
SD R31.52 32 State Route 78 - Oceanside; Ramona
SD R32.86 33 El Norte Parkway
SD R33.94 N/A 34 City Centre Parkway Southbound exit and northbound entrance
SD R36.64 37 Deer Springs Road; Mountain Meadow Road
SD R40.84 41 Gopher Canyon Road; Old Castle Road
SD R43.28 43 Old Highway 395
SD R46.49 46 State Route 76 - Pala Road; Pala; Oceanside
SD R50.59 51 Mission Road; Fallbrook
SD R54.07 54 Rainbow Valley Road
Riverside Temecula RIV 3.43 58 State Route 79 South - Indio (Old Town Front Street) SR-79 joins northbound and leaves southbound
Joined with SR-79
RIV 4.98 59 Rancho California Road; Old Town Front Street
RIV 6.63 61 State Route 79 North - Hemet; Winchester Road SR-79 joins southbound and leaves northbound
Split from SR-79
Murrieta RIV 8.75 63 N/A Interstate 215 North - Riverside; San Bernardino Northbound exit and southbound entrance
RIV 9.47 64 Murrieta Hot Springs Road
RIV 10.59 65 California Oaks Road; (Kalmia Street)
RIV 13.64 68 Clinton Keith Road
RIV 15.07 69 Baxter Road
RIV 16.30 71 Bundy Canyon Road
Lake Elsinore RIV 19.16 73 Diamond Drive; Railroad Canyon Road
RIV 20.95 75 Main Street
RIV 22.27 77 State Route 74 - Central Avenue; Perris; San Juan Capistrano
RIV 23.85 78 Nichols Road
RIV 26.69 81 Lake Street
RIV 30.40 85 Indian Truck Trail
RIV 33.25 88 Temescal Canyon Road
RIV 35.64 90 Weirick Road
RIV 36.80 91 Cajalco Road
RIV 37.82 92 El Cerrito Road
Corona RIV 38.69 93 Ontario Avenue
RIV 40.35 95 Magnolia Avenue
RIV 41.56 96 96A
96B		 State Route 91 - Riverside; Beach Cities Split into Exit 96A (East - Riverside) and 96B (West - Beach Cities) southbound
Norco RIV 42.88 97 Hidden Valley Parkway
RIV 43.64 98 Second Street
RIV 45.60 100 Sixth Street
RIV 48.26 103 Limonite Avenue
RIV 51.36 106A
106B		 106 State Route 60 - Los Angeles; Riverside Split into Exit 106A (East - Riverside) and 106B (West - Los Angeles) northbound
San Bernardino Ontario SBD 1.01 108 Jurupa Street
SBD 2.38 109 109A
109B		 Interstate 10 - Los Angeles; San Bernardino Split into Exit 109A (West - Los Angeles) and 109B (East - San Bernardino) southbound
Rancho Cucamonga SBD 3.05 110 4th Street
SBD 5.29 112 State Route 66 - Foothill Blvd
SBD 6.71 113 Baseline
SBD 8.05 115A 115B State Route 210 East - San Bernardino
SBD 8.05 115B 115A State Route 210 West - Pasadena
SBD R9.60 116 Summit Avenue All ramps accessible via Beech Ave
Fontana SBD 12.84 119 Sierra Avenue
SBD 14.77 122 Glen Helen Parkway
SBD 16.36 123 Interstate 215 - San Bernardino
SBD R14.96 124 ( US-66 Historic) Kenwood Avenue
SBD R20.02 129 ( US-66 Historic) Cleghorn Road
SBD R21.37 131 State Route 138 - Palmdale; Silverwood Lake
SBD 28.62 138 Oak Hill Road Northbound exit and entrance accessible via Mariposa Road
SBD 31.81 141 N/A US-395 - Adelanto; Bishop Northbound exit and southbound entrance
SBD 32.32 N/A 141 Joshua Street; To US-395 Southbound exit and northbound entrance
Hesperia SBD 34.00 143 Main Street
Victorville SBD 37.59 147 Bear Valley Road; Lucerne Valley
SBD 40.51 150 State Route 18 West - Palmdale Road Northbound exit accessible via Mariposa Rd; SR-18 joins northbound and leaves southbound
Joined with SR-18
SBD 41.43 151A Roy Rogers Drive
SBD 42.03 151B Mojave Drive
SBD 43.47 153A State Route 18 East - D Street; Apple Valley SR-18 joins southbound and leaves northbound
153B E Street
Split from SR-18
SBD 44.40 154 Stoddard Wells Road Northbound exit and entrance accessible via a frontage road
SBD 47.39 157 Stoddard Wells Road; Bell Mountain Southbound exit and entrance accessible via Victorville Quarry Rd
SBD 51.83 161 Dale Evans Parkway; Boulder Road
SBD 55.96 165 Wild Wash Road; Sorrel Trail
SBD 60.16 169 Hodge Road; Stoddard Mountain Road
SBD 65.84 175 Outlet Center Drive; Sidewinder Road
Barstow SBD 68.77 178 Lenwood Road
SBD 70.10 179 State Route 58 - Bakersfield
SBD 71.60 181 L Street; West Main Street
SBD 73.55 183 State Route 247 - Barstow Road
SBD 74.40 184A 184 Interstate 40 - Needles Southbound I-15 to I-40 served by East Main Street
SBD 74.95 184B East Main Street
SBD 76.80 186 Old Highway 58
SBD 79.59 189 Fort Irwin Road
SBD R81.83 191 Ghost Town Road
SBD R84.64 194 Calico Road; Yermo
SBD R86.38 196 Yermo Road; Yermo
SBD R88.49 198 Minneola Road
SBD R96.14 206 Harvard Road
SBD R103.63 213 Field Road
SBD R111.59 221 Afton Road
SBD R120.43 230 Basin Road
SBD R124.24 233 Rasor Road
SBD 130.18 239 Zzyzx Road
SBD R135.81 245 N/A Baker Boulevard; Baker Northbound exit and southbound entrance
SBD R136.57 246 State Route 127 - Death Valley; Kelbaker Road
SBD R138.46 N/A 248 Baker Boulevard; Baker Southbound exit and northbound entrance
SBD 149.60 259 Halloran Springs Road
SBD 155.57 264 Halloran Summit Road
SBD 162.73 272 Cima Road
SBD 171.47 281 Bailey Road
SBD 176.46 286 Nipton Road
SBD 181.40 291 Yates Well Road
Interstate 15 crosses into Nevada

There are a total of 400 exits along the entire I-15.

  1. ^ Route Log- Main Routes of the Eisenhower National System of Interstate and Defense Highways - Table 1
  2. ^ a b c http://www.cahighways.org/009-016.html#015 Last accessed July 26, 2006.
  3. ^ January 1, 2006 California Log of Bridges on State Highways
  4. ^ Cal-NExUS Interchange Exit Numbering
Preceded by
terminus		 Interstate 15
California		 Succeeded by
Nevada
Retrieved from "http://en.wikipedia.org../../../i/n/t/Interstate_15_in_California_56b4.html"
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