1 ► Arizona, Cochise County, Tombstone — 38 — Southern Pacific Train Depot — 1903 —

Near South 4th Street, on the left when traveling south.

2 ► Arizona, Cochise County, Willcox — The Southern Pacific Railroad Depot, 1880 —

On South Railroad Avenue, on the left when traveling south.

3 ► Arizona, Pima County, Tucson, Historic Fourth Avenue — Southern Pacific Railroad —

On East Toole Avenue, on the right when traveling west.

4 ► Arizona, Santa Cruz County, Patagonia — Patagonia Depot —

On McKeown Avenue near 3rd Avenue.

5 ► California, Alameda County, Dublin — Iron Horse Regional Trail —

On Tassajara Road, on the left when traveling north.

6 ► California, Alameda County, Livermore — Livermore Southern Pacific Depot —

Near Railroad Avenue near 1st Street.

7 ► California, Contra Costa County, Martinez — 6 — Southern Pacific R.R. Depot —

On Ferry Street near Marina Vista, on the right when traveling north.

8 ► California, Contra Costa County, Walnut Creek — 102 — Southern Pacific Railroad Depot — 850 S. Broadway — 1891 —

On North Broadway near Mt. Diablo Boulevard, on the right when traveling south.

9 ► California, Fresno County, Kerman — 42 — Kerman —

On South Madera Avenue (State Highway 145) at West California Avenue, in the median on South Madera Avenue.

10 ► California, Kern County, Bakersfield — Southern Pacific Railroad Jail —

Near Chester Avenue.

11 ► California, Kern County, Tehachapi — 508 — Tehachapi Loop —

On Woodford-Tehachapi Road, 3.2 mi E of Keene exit, on the left when traveling east.

12 ► California, Los Angeles County, Los Angeles, Downtown Los Angeles — Los Angeles Union Passenger Terminal — 1939-1989 —

Near North Alameda Street, 0.2 miles south of Cesar Chavez Avenue, on the left when traveling south.

13 ► California, Los Angeles County, San Dimas — 12 — Southern Pacific Railroad — 1895 —

On Cataract Avenue, 0.1 miles south of Arrow Highway, on the right when traveling south.

14 ► California, Los Angeles County, Santa Clarita, Canyon Country — 590 — Lang Southern Pacific Station —

On Lang Station Road, 0.2 miles south of Soledad Canyon Road, on the right when traveling south.

15 ► California, Los Angeles County, Santa Clarita, Canyon Country — Lang Station —

Near Vista Canyon Road at Mitchell Drive.

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16 ► California, Madera County, Chowchilla — Railroads of Chowchilla —

On South 5th Street, on the right when traveling north.

17 ► California, Madera County, Chowchilla — Railroads of Chowchilla — Southern Pacific Railroad — Chowchilla Pacific Railroad —

On South 5th Street at Orange Avenue, on the right when traveling north on South 5th Street.

18 ► California, Placer County, Roseville — Southern Pacific Railroad No. 2252 Steam Locomotive —

On Atlantic Street at Vernon Street, on the right when traveling west on Atlantic Street.

19 ► California, Sacramento County, Rancho Cordova — Sacramento Valley Railroad — "First in the West" —

Near Mills Station Road west of Mather Field Road, on the right when traveling west.

20 ► California, Sacramento County, Sacramento, Old Sacramento — California's Big Four —

Near K Street at Interstate 5, on the right when traveling east.

21 ► California, San Luis Obispo County, Oceano — Southern Pacific Railroad Depot —

On Cabrillo Hwy (California Route 1) at Tranquil Court, on the left when traveling north on Cabrillo Hwy.

22 ► California, San Luis Obispo County, San Luis Obispo — Southern Pacific Water Tower — Historic Restoration Project —

Near Railroad Avenue south of Santa Rosa Street, on the right when traveling north.

23 ► California, San Mateo County, South San Francisco — Transportation Evolution —

On South Spruce Avenue near Centennial Way Trail, on the left when traveling east.

24 ► California, Santa Barbara County, Goleta — 22 — Goleta Depot —

Near North Los Carneros Road.

25 ► California, Santa Barbara County, Santa Barbara — Santa Barbara Railroad Station —

Near State Street.

26 ► California, Santa Barbara County, Santa Barbara — The Southern Pacific RR Roundhouse —

Near East Cabrillo Boulevard west of South Milpa Street.

27 ► California, Santa Clara County, Gilroy — Southern Pacific Coast Daylight GS-4 — Mural Painting by Scott Lance, 2014 —

On Fifth Street at Gourmet Alley, on the right when traveling west on Fifth Street.

28 ► California, Santa Clara County, Los Altos, North Los Altos — Southern Pacific Railroad Station —

On First Street near Main Street.

29 ► California, Santa Clara County, Morgan Hill — Santa Clara and Pajaro Railroad — 1869 —

Near Monterey Highway south of Wright Avenue.

30 ► California, Solano County, Dixon — Sacramento Valley National Cemetery —

On Midway Road south of Interstate 80.

31 ► California, Sonoma County, Glen Ellen — Historical Tid-bits about Glen Ellen —

On Arnold Drive west of Carmel Avenue, on the right when traveling west.

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32 ► California, Stanislaus County, Modesto — Southern Pacific Railroad Passenger Depot — Modesto Transportation Center —

Near 9th Street (California Route 132), on the right when traveling south.

33 ► California, Tulare County, Tulare — Tulare City, Main Southern Pacific Railroad Terminal, 1872-1892 —

On East Kern Avenue west of South K Street, on the right when traveling west.

34 ► California, Tulare County, Visalia — Visalia Southern Pacific Depot — 1916 —

On Oak Avenue just east of Church Street, on the right when traveling east.

35 ► California, Ventura County, Fillmore — 48 — Southern Pacific Depot —

On Main Street, 0.2 miles east of Central Avenue, on the right when traveling east.

36 ► California, Ventura County, Santa Paula — 23 — The Depot, Santa Paula —

On 10th Street at Santa Barbara Street, on the left when traveling north on 10th Street.

37 ► California, Ventura County, Simi Valley — 29 — Santa Susana Railroad Depot — Centennial Celebration 1903-2003 —

On Katherine Road at Kuehner Drive, on the right when traveling west on Katherine Road.

38 ► Louisiana, Orleans Parish, Algiers, Whitney — Southern Pacific Railroad Yards —

Near Patterson Street north of Thayer Street, on the left when traveling south.

39 ► Nevada, Washoe County, Sparks — 189 — Southern Pacific Railroad Yards —

On Pyramid Way (Nevada Route 445) at Victorian Ave, on the left when traveling south on Pyramid Way.

40 ► New Mexico, Luna County, Columbus — 390-B — Southern Pacific Railroad Depot —

On State Road 9 at State Road 11, on the right when traveling east on State Road 9.

41 ► Oregon, Lane County, Junction City — Junction City — A Brief History —

On W 5th Avenue at Holly Street, on the right when traveling west on W 5th Avenue.

42 ► Texas, Bexar County, San Antonio, St. Paul Square — Southern Pacific Passenger & Freight Station — 1174 East Commerce — Built in 1902 —

On Hoefgen Avenue at Commerce Street, on the right when traveling north on Hoefgen Avenue.

43 ► Texas, Cameron County, Brownsville — 4985 — Southern Pacific Railroad Passenger Depot — Historic Brownsville Museum —

On East Madison Street east of E. 6th Street, on the right when traveling west.

44 ► Texas, Ellis County, Ennis — 7151 — The Southern Pacific Railroad in Ennis —

On Northeast Main Street at East Ennis Avenue (Business Highway 287), on the left when traveling north on Northeast Main Street.

45 ► Texas, Medina County, Hondo — 4988 — Southern Pacific Depot — of Hondo —

On 18th Street at Avenue X on 18th Street.

46 ► Texas, Orange County, Orange — 20027 — Orange Southern Pacific Depot —

On North 11th Street near West Green Avenue (Business U.S. 90), on the right when traveling south.

47 ► Texas, Val Verde County, Comstock — 3567 — Near Site, Southern Pacific Ceremony of Silver Spike —

On U.S. 90 north of the Pecos River.

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48 ► Texas, Val Verde County, Comstock — Pecos High Bridge —

Near U.S. 90.

49 ► Texas, Val Verde County, Comstock — 3975 — Pecos River High Bridge —

Near U.S. 90.

50 ► Texas, Val Verde County, Comstock — 12798 — Railroad Bridges Over the Pecos —

On U.S. 90 west of the Pecos River.

51 ► Texas, Washington County, Brenham — 14930 — Southern Pacific Freight Depot —

On South Market Street, 0.1 miles south of East Commerce Street, on the left when traveling north.

52 ► Utah, Box Elder County, Promontory — The Southern Pacific Monument — Golden Spike National Historic Site —

Near Golden Spike Road, 0.1 miles south of 6400 N Road.