Episode Guide

This is a guide to the planned episodes of California Highways: Route by Route. Seasons are roughly 12 episodes one (1/month); we might have more in a season with bonus or extra episodes. Routes, unless noted otherwise, are based on the post-1964 routes.

Season 0

  1. Teaser
  2. Sample Route Episode: Route 105: It Only Takes a Century

Season 1

  1. Building a State Highway System: Before 1920 – Building a State Highway System
  2. Building a State Highway System: The 1920s
  3. Building a State Highway System: The 1930s
  4. Building a State Highway System: Expanding the System
  5. Building a State Highway System: The Great Renumbering and New Freeways
  6. Building a State Highway System: CEQA and Reality
  7. Highway Numbering: State Highways
  8. Highway Numbering: US Highways
  9. Highway Numbering: Interstates
  10. Highway Numbering: County Routes
  11. The Naming of Highways
  12. The Organizations of State Highways

Season 2

  1. Route 1: Orange County
  2. Route 1: Los Angeles County
  3. Route 1: Ventura and Santa Barbara Counties
  4. Route 1: SLO and Big Sur
  5. Route 1: Monterey and Santa Cruz
  6. Route 1; The South Bay and San Francisco
  7. Route 1: The Golden Gate Bridge
  8. Route 1: Marin and …
  9. Route 1: The Redwood Forest
  10. Route 1: The Lost Coast (incl. Route 208 and Route 211)
  11. Route 2: Santa Monica and Los Angeles
  12. Route 2: Angeles National Forest

Season 3

  1. Route 3: Through the Mountains of Jefferson
  2. Route 4: Hercules to Stockton
  3. Route 4: Stockton
  4. Route 4: The Sierras
  5. I-5: San Diego to Los Angeles
  6. I-5: Whatever Became of the Ridge Route?
  7. I-5: The Central Valley
  8. I-5: Whatever Happened to I-5W
  9. I-5: Former US 99W
  10. I-5: Gateway to Oregon
  11. US 6: A Major Route no More: Los Angeles to Bishop
  12. Route 7: From Long Beach to the Border

Season 4

  1. I-8, Former Route 109, LRN 286: The Southern Route and US 80 (Part 1)
  2. I-8, Former Route 109, LRN 286: The Southern Route and US 80 (Part 2)
  3. Route 9: Santa Cruz and Saratoga
  4. Route 9: The once great Route 9 no more
  5. I-10: Santa Monica Freeway
  6. I-10: San Bernardino Freeway
  7. Route 11: From Pasadena to the Border
  8. Route 12: Sonoma and Napa
  9. Route 12: Crossing the Wetlands
  10. Route 12: Into the Sierras
  11. Route 13: Oakland and Berkeley
  12. Route 14, Route 64, LRN 290: The Valley Freeways that Never Happened
  13. Route 14: The Antelope Valley Freeway

Season 5

  1. I-15: South of Riverside
  2. I-15 and Route 31: North of Riverside
  3. Route 16: W of Sacramento
  4. Route 17: A Shadow of Its Former Self
  5. Route 18: What Once Was
  6. Route 18: Lake Arrowhead and the High Desert
  7. Route 19: Lakewood to Pasadena, but not for much longer
  8. Route 20: Willits to US 101
  9. Route 20: US 101 to I-80
  10. Former Route 21: I-680 and the North Bay
  11. Route 22: The Garden Grove Freeway
  12. Route 23: Decker Canyon to Moorpark

Season 6

  1. Route 24: East Bay and the Caldecott Tunnels
  2. Route 25: San Benito
  3. Pre-1964 Sign Route 26: The Bolsa Avenue original and forerunner of the Santa Monica Freeway
  4. Route 26: Stockton to the Sierras
  5. Route 27: Topanga Canyon Blvd
  6. Route 28: Lake Tahoe
  7. Route 29: Napa and Lakeport
  8. Former Route 30 and Route 106: The Once and Former Foothill Freeway
  9. Route 32: Chico not Chicko
  10. Route 33: US 399 and Ojai
  11. Route 33: West of the Westly
  12. Route 33: I’m sure we’ll have one more

Season 7

  1. Route 34: Somis and Oxnard
  2. Route 35: Skyline Blvd – Former Route 5
  3. Route 36: The Shasta and Lassen Backbone
  4. Route 37: Climate Change in Action
  5. Route 38: Big Bear
  6. Route 39: Orange County and Knotts Berry Farm
  7. Route 39: Will It Ever Open
  8. I-40: You Would Expect Much More
  9. Route 41 and Route 46 and US 466: A Tangle in SLO
  10. Route 41: The Fresno Freeway and Yosemite
  11. Former Route 42 and the start of the Century Freeway
  12. Route 43: Across the Central Valley

Season 8

  1. Route 44: The Lassen Scenic Highway
  2. Route 45: The long run along the Sacramento River
  3. Route 46: Farmworkers and James Dean
  4. Route 47 and Route 103: Terminal Island
  5. US 48: The forgotten US route in California
  6. Route 48: High Desert Corridors
  7. Route 49: The Sierra Foothills
  8. Route 49: The Gold Rush Route
  9. US 50: What Once Was W of the Sacramento River
  10. US 50: Sacramento to Placerville
  11. US 50: Placerville to Lake Tahoe
  12. Route 51: The Phantom Route that only ever shows up news broadcasts

Season 9

  1. Route 52, LRN 279: Remember San Diego and La Jolla
  2. Route 53: Lake County
  3. Route 54: The South San Diego Loop that Wasn’t
  4. Route 55: The Newport Freeway
  5. Route 56, LRN 278: More La Jolla
  6. Route 57, Route 250, LRN 272: The Orange Freeway and I-210
  7. Route 58: US 101 to Bakersfield and Harris Ranch
  8. Route 58: What Could Be I-40
  9. Route 59: Snelling
  10. Route 60: The Saga of US 60 (incl. Route 212)
  11. Route 60: Railroad Canyon
  12. Route 61, Route 112, and Route 260: The big happy Route 61 family in Oakland and Alameda

Season 10

  1. Route 62: It’s Hot in the Desert
  2. Route 63, Former Route 226: Central Valley
  3. Route 64: The Whitnall Freeway and Unconstructed Routes
  4. Route 65: The Easterly Bypass that Wasn’t
  5. Route 65: Lincoln and US 99E
  6. US 66: Where Did It End?
  7. US 66, Route 248: The Routings in the Foothills
  8. Route 66: What Remains Today
  9. US 66: The Cajon Pass, Perth, and Amboy
  10. Route 67: The Ramona Road
  11. Route 68: Salinas to Monterey
  12. Route 69/Route 245: Nice…Why Do You Think They Renumbered It?

Season 11

  1. US 70: You’ll Never Run Alone
  2. Route 70: The Quincy Highway
  3. Former Route 71, LRN 271: The Forerunner of US 395
  4. Route 71: The Corona Freeway
  5. Route 72: Whittier Blvd and former US 101
  6. Route 73: The San Joaquin Hills Toll Corridor
  7. Route 74: Ortega Highway
  8. Route 74: The Palm to Pines Highway
  9. Route 75: The Silver Strand
  10. Route 76: Oceanside
  11. Route 77: Oakland
  12. Route 78: Carlsbad, Escondido and Ramona
  13. Route 78: Ramona to the Salton Sea

Season 12

  1. Route 79: Julian to Temecula
  2. I-80: San Francisco and the Bay Bridge
  3. I-80: The Freeway System that Never Was
  4. I-80: San Francisco to Sacramento
  5. I-80: The Sacramento Freeway System
  6. I-80: Sacramento to Lake Tahoe and Donner Pass
  7. US 80: What I-8 missed
  8. Former Route 81: The San Bernardino and Riverside Bypass
  9. Route 82: The El Camino
  10. Route 83: R3 to Ontario
  11. Route 84: The South Bay
  12. Route 84: The Dunbarton Bridge

Season 13

  1. Route 84: Fremont Freeways that Never Were
  2. Route 84: Fremont to Livermore
  3. Route 84: The Mid State Tollway
  4. Route 84: The Delta and Sacramento
  5. Route 85: The West Valley Freeway
  6. Route 86, Former Route 228: The Salton Sea, Calexico, and US 99
  7. Route 87, LRN 292: The Guadalupe Parkway
  8. Route 88: The Stockton to Sierra Pass
  9. Route 89: Mono County to Lake Tahoe
  10. Route 89: Lake Tahoe to Lassen
  11. Route 90: Richard Nixon: Part 1
  12. Route 90: Richard Nixon: Part 2
  13. Wild Card Episode: Route 168 and the Piute Pass Highway

Season 14

  1. Route 91: The Artesia Freeway and US 91 (incl Route 214)
  2. Route 91: The Riverside Freeway and US 91
  3. US 91: Riverside to Vegas
  4. Route 92: Half Moon Bay, the San Mateo Bridge, and Hayward
  5. Route 93: What East Bay Bypass?
  6. Route 94: San Diego to Jacumba
  7. US 95: History in the Desert
  8. Route 96: Shasta and Klamath
  9. US 97: A key route in Northern California
  10. Route 98: The southernmost state route
  11. Route 100, LRN 287: Unconstructed Santa Cruz Loop
  12. Teaser: The Season of 99

Season 15: The Season of 99

  1. Former Route 99: Mexico and the Stockton Sea
  2. Former Route 99: Route 99 through San Bernardino and Redlands
  3. Former Route 99: Through Los Angeles
  4. Former Route 99: Ridge Route Variations
  5. Route 99: South of Bakersfield
  6. Route 99: Bakersfield through Modesto
  7. Route 99: Modesto to Sacramento
  8. Route 99: Route 99E
  9. Former Route 99: Route 99W to Red Bluff
  10. Former Route 99: Red Bluff to Oregon
  11. Route 99: What We Missed
  12. Teaser: The Season of 101

Season 16: The Season of 101

  1. Former US 101: San Diego County
  2. Former US 101: Orange County
  3. Former US 101: Los Angeles County
  4. Former US 101A: Los Angeles County
  5. US 101: Los Angeles and Ventura County
  6. US 101: Santa Barbara and SLO
  7. US 101: San Benito and Monterey
  8. US 101: The San Francisco Bay Area
  9. US 101: San Francisco
  10. US 101: The Golden Gate Bridge
  11. US 101: The Marin and Sonoma Regions
  12. US 101: The Redwood Forests
  13. US 101: Far Northern California

Season 17

  1. Route 102 / Route 143 / Route 148 / Route 244 / LRN 288: Unbuilt Sacramento Area Routings
  2. Route 103: Terminal Island Freeway
  3. Route 104: Galt to Gold Country
  4. Route 105: Seems Like a Century Since We Discussed This
  5. Route 107: The Hawthorne Freeway that Never Was
  6. Route 108: Route 5 to Gold Country
  7. Route 108: Gold Country across the Sierras
  8. Route 109: What Was in East Palo Alto
  9. Route 110: The Harbor and Pasadena Freeway
  10. I-110: The Harbor Freeway
  11. Former Route 11 and Route 110: The Pasadena Freeway Part 1
  12. Former Route 11 and Route 110: The Pasadena Freeway Part 2

Season 18

  1. Route 111: Palm Springs and the Salton Sea
  2. Route 113: Dixon, Davis, Woodland, and Knights Landing
  3. Route 114: The Middle Approach to Dunbarton
  4. Route 115: Imperial County East Roads
  5. Route 116: Jenner to Schellville
  6. Route 117: Former Routings
  7. Route 118: The Ventura Plains
  8. Route 118: The Simi Freeway
  9. Route 119: Central Valley: Taft to Greenfield
  10. Route 120: I-5 to Yosemite
  11. Route 120: Tioga Pass
  12. Route 120: Eastern Sierras

Season 19

  1. Route 121: Sears Point through Napa
  2. Route 122: Not the Pearblossom Highway
  3. Route 123: San Pablo Avenue Corridor
  4. Route 124: Route 88 to Route 16
  5. Route 125: South Bay Expressway
  6. Route 126: Santa Paula Freeway
  7. Route 127: Death Valley
  8. Route 128: The Original Route 28: Cloverdale to Davis
  9. Route 129: US 101 to Watsonville
  10. Route 130: Mt. Hamilton
  11. Route 131: Tiburon
  12. Route 132: Tracy to Modesto: Plan it Early
  13. Route 132: Modesto to Gold Country

Season 20

  1. Route 133: Laguna Canyon and the Eastern Toll Corridor
  2. Route 134: The Ventura Freeway
  3. Route 135: Santa Maria and Vandenberg
  4. Route 136: North Owens Lake and Route 190
  5. Route 137: Corcoran to Lindsay
  6. Route 138: Gorman and the Metropolitan Bypass
  7. Route 138: Pearblossom Highway
  8. Route 138: The Road to Big Bear
  9. Route 139: Susanville to Oregon
  10. Route 140: Gustine to Yosemite: The Northern Entrance
  11. Former Route 141: The Curtola Parkway
  12. Route 142: Carbon Canyon

Season 21

  1. Route 144, Route 224: Santa Barbara Short Routes
  2. Route 145: Central Valley – Oilfields to Route 41
  3. Route 146: Pinnacles National Monument
  4. Route 147: Lake Alamor Cutoff
  5. Route 148 and the Capitol Southeast Connector
  6. Route 149: Connecting Route 70 and Route 99
  7. Former Route 150: Route 246 Buellton, Solvang
  8. Former Route 150: Route 154: San Marcos Pass
  9. Former Route 150: Route 192 Santa Barbara Foothills
  10. Route 150: Santa Barbara to Ojai
  11. Route 151: Cutoff to Shasta Dam
  12. Route 152: Watsonville to Gilroy

Season 22

  1. Route 152: Pacheco Pass
  2. Route 156: Castroville to Pacheco Pass
  3. Route 153, Route 283, : Super Short Routes
  4. Route 155: Delano to Lake Isabella
  5. Former Route 157, Former Route 171, Former Route 252, Former Route 274: Unbuilt San Diego Routings
  6. Route 158: June Lake Loop
  7. Route 159: A Long Exit Ramp
  8. Route 160: The Delta and Sacramento
  9. Route 161: The Border Road
  10. Route 162: Through the Mendocino National Forest
  11. Route 163: Former US 395 in San Diego
  12. Route 164: Pico Rivera and Rio Hondo

Season 23

  1. Route 165: Los Banos to Turlock
  2. Route 166: the Cuyama Valley
  3. Route 167: North Mono Lake
  4. Route 168: Fresno to Huntington Lake
  5. Route 168: The Trans-Sierra Route to Bishop that Never Was
  6. Route 169: Klamath to Weitchpec
  7. Route 170: The Hollywood Freeway
  8. Route 172: Mineral to Morgan Summit, former Route 36
  9. Route 173: Lake Arrowhead and Unpaved Routes
  10. Route 174: Colfax to Grass Valley
  11. Route 175: Lake County and Napa
  12. Former Route 176: Foxen Canyon and Santa Maria

Season 24

  1. Route 177: Desert Center and the Low Desert
  2. Route 178: Walker Pass
  3. Route 178 Route 14 to Nevada:
  4. Unbuilt Route 179: Vacaville to Winters
  5. Route 180: Panoche Road and Unconstructed Routings
  6. Route 180: I-5 to Fresno
  7. Route 180: Fresno to Kings Canyon NP and Cedar Grove
  8. Unconstructed Route 181: River Road and Sebastapol
  9. Route 182: Bridgeport to Nevada
  10. Route 183: Salinas to Castroville
  11. Route 184: Weed Patch to Walker Pass
  12. Route 185: Hayward to Alameda

Season 25

  1. Route 186 and Route 188: Border Connections
  2. Route 187: Venice Blvd
  3. Route 189: Strawberry Peak to Lake Arrowhead
  4. Route 190; a Trans-Sierra Highway that could have been
  5. Route 191, LRN 295: The Road to Paradise
  6. Route 193: Lincoln to Placerville
  7. Route 195: Mojave Box Canyon and Route 86
  8. Former Route 196 Route 249, Route 122: Routes in the Sky
  9. Route 197: The 199 to 101 cutoff
  10. Route 198: San Lucas to Coalinga
  11. Route 198: Coallnga to Sequoia National Park
  12. US 199: A Vital Northwest Corridor

Season 26

  1. Route 200: The 101 – 299 Cutoff
  2. Route 201: Kingsburg to Elderwood Lateral
  3. Route 202: Gateway to a Correctional Institute
  4. Route 203: Mammoth Mountain
  5. Route 204: Golden State Highway
  6. I-205: Tracy Cutoff
  7. Former Route 206: Connections to I-15
  8. Route 207: Bear Valley Ski Area
  9. Former Route 209: Point Loma and San Diego
  10. Route 210: The Foothill Freeway – West
  11. Route 210: The Foothill Freeway – East
  12. Route 213, LRN 291: Western Blvd

Season 27

  1. Route 215 / Former Route 194: The Once and Former US 395
  2. Route 215 / Former Route 194: I-15E and I-215
  3. Route 216: Lemon Cove-Visalia Corridor
  4. Route 217: the freeway ending at a roundabout at UC Santa Barbara
  5. Route 218: Canyon Del Rey on the Monterey Peninsula
  6. Route 219: 99 to 108 via Salida
  7. Route 220: Fun times on the J-Mack Ferry
  8. Route 221: Old Route 12 in Napa
  9. Route 222: The Highway to the Old Mental Health Facility Turned Temple
  10. Route 223 (LRN 264): Bear Mountain Boulevard
  11. Route 224: the Highway to Carpinteria State Beach
  12. Route 225: the Zombie Highway of Santa Barbara
  13. Route 227: The SLO Loop

Season 28

  1. Route 229: Santa Margarita to Creston, and the history of US 466
  2. Route 230, LRN 289: The Bay Bypass
  3. Route 231, Route 241, and Route 261: The Orange County Toll Roads (Part 1)
  4. Route 231, Route 241, and Route 261: The Orange County Toll Roads (Part 2)
  5. Route 231, Route 241, and Route 261: The Orange County Toll Roads (Part 3)
  6. Route 232, Route 257: Former Freeways in Oxnard
  7. Route 233: Chowchilla
  8. Former Route 234 and CR J9: French Camp Road
  9. Route 235, County Route J8: Eight Mile Road and French Camp Road: Stockton
  10. Route 236: The Big Basin Loop
  11. Route 237: The Southbay Freeway
  12. Route 238 and I-238: How To Annoy a Roadgeek
  13. Route 238 and I-238: How To Annoy a Roadgeek (Part 2)

Season 29

  1. Route 239: The Mid-State Non-Tollway
  2. Route 242: The Concord Cutoff
  3. Route 243: Banning-Idyllwild Road
  4. Route 247: Old Woman Springs
  5. Route 251: Point Reyes Freeway
  6. Route 253: Boonville to Ukiah
  7. Route 254, lRN 296: Avenue of the Giants
  8. Route 255, LRN 294: Arcata Loop
  9. Route 256: The Roseville Cutoff and Route 65
  10. Route 258: The Whitnall Freeway, Los Angeles Edition
  11. Route 259: An Extended Exit Ramp
  12. Route 260: The Posey Tubes

Season 30

  1. Route 262: The Mission Blvd Cutoff
  2. Route 263, Route 265, Route 273: Former US 99 Routings
  3. Route 266: Nevada to Nevada
  4. Route 267: Truckee to Tahoe
  5. Former Route 268: Mullholland Drive
  6. Route 269: Avenel to Five Points
  7. Route 270: The Bodie Ghost Town
  8. Route 271, Route 283: Former US 101 Routings
  9. Route 275: The Tower Bridge
  10. Route 276: Disney and Mineral King
  11. I-280: The Serra Freeway
  12. Route 281: Unconstructed in Lakeport

Season 31

  1. Route 282: Coronado NAS
  2. Route 284, Route 285: Lake Davis and Frenchmen Lake
  3. Route 299: Arcata to Nevada (Part 1)
  4. Route 299: Arcata to Nevada (Part 2)
  5. Hidden I-305: US 50 in Sacramento
  6. Route 330: Highland to Running Springs
  7. Route 371: Aguanga to Anza
  8. I-380: SFX
  9. I-380: The Southern Crossing
  10. Former US 395: San Diego to San Bernardino
  11. US 395: Victorville to Bishop
  12. US 395: The Eastern Sierras
  13. US 395: Northern California

Season 32

  1. Former US 399: Ojai to Bakersfield (Part 1)
  2. Former US 399: Ojai to Bakersfield (Part 2)
  3. I-405: The San Diego Freeway (Part 1)
  4. I-405: The San Diego Freeway (Part 2)
  5. Former Route 440: Shasta Lake
  6. US 466: Morro Bay to Vegas (Part 1)
  7. US 466: Morro Bay to Vegas (Part 2)
  8. Former Route 480: The Embarcadero Freeway
  9. I-505: The Vacaville Spur
  10. I-580: Former US 48
  11. I-580: I-5W and Oakland
  12. I-580: Richmond-San Rafael Bridge

Season 33

  1. I-605, Former Route 240: San Gabriel River Freeway
  2. I-680: The Sinclair Freeway (Part 1)
  3. I-680: The Sinclair Freeway (Part 2)
  4. I-710: The Long Beach Freeway (Part 1)
  5. I-710: The Long Beach Freeway (Part 2)
  6. I-710: Fall Into the Gap
  7. Former Route 740: Pine to Palms Highway
  8. I-780: The Benecia Cutoff
  9. I-805: Jacob Dekama Freeway (Part 1)
  10. I-805: Jacob Dekama Freeway (Part 2)
  11. I-880: The Bayshore Freeway (Part 1)
  12. I-880: The Bayshore Freeway (Part 2)

Season 34

  1. Route 905: Border Crossings
  2. Route 980: Oakland
  3. “A” County Routes (Part 1)
  4. “A” County Routes (Part 2)
  5. “B” County Routes
  6. “C” County Routes
  7. “D” County Routes
  8. “E” County Route (Part 1)
  9. “E” County Route (Part 2)
  10. “G” County Route (Part 1)
  11. “G” County Route (Part 2)
  12. “G” County Route (Part 3)

Season 35

  1. “J” County Routes (Part 1)
  2. “J” County Routes (Part 2)
  3. “J” County Routes (Part 3)
  4. “N” County Route (Part 1 – The Canyon Routes)
  5. “N” County Routes (Part 2 – The High Desert)
  6. “N” County Routes (Part 3 – Others)
  7. “R” County Routes
  8. “S” County Routes (Part 1)
  9. “S” County Routes (Part 2)
  10. “S” County Routes (Part 3)
  11. Route by Route Wrapup
  12. Route by Route Wrapup