1 ► Arizona, Coconino County, Flagstaff — Transcontinental Railroad Centennial —

Near East Route 66.

2 ► California, Alameda County, Alameda — 440 — Alameda Terminus of the 1st Transcontinental Railroad —

On West Mall Square, on the right when traveling north.

3 ► California, Alameda County, Niles — Completion of the Transcontinental Railroad — Niles, California —

Near Niles Boulevard near J Street.

4 ► California, Alameda County, Sunol — Niles Canyon Railway —

Near Kilkare Road near Main Street, on the left when traveling north.

5 ► California, Nevada County, Norden — Great Summit Tunnel of the Sierra Nevada —

Near Old Donner Summit Road (Pacific Crest Trail), 0.5 miles south of Donner Pass Road, on the right when traveling south.

6 ► California, Nevada County, Norden — 29 — Transcontinental Railroad — Hwy 40 Scenic Bypass —

On Donner Pass Road, on the left when traveling east.

7 ► California, Nevada County, Truckee — Boca Townsite —

Near Stampede Meadows Road, 0.3 miles Interstate 80.

8 ► California, Nevada County, Truckee — Donner Pass — Who Passed This Way —

On Donner Pass Road (Old Highway 40).

9 ► California, Nevada County, Truckee — 780-6 — First Transcontinental Railroad - Truckee —

Near Donner Pass Road.

10 ► California, Nevada County, Truckee — The Transcontinental Railroad and Boca Dam — The First Transcontinental Railroad —

On Stampede Meadows Road near Boca Dam Reservoir Road, on the left when traveling north.

11 ► California, Placer County, Auburn — Auburn Depot —

Near Lincoln Way at Elm Avenue.

12 ► California, Placer County, Auburn — Bloomers Cut —

On Herdal Drive at Quinn Way on Herdal Drive.

13 ► California, Placer County, Auburn — 780-4 — First Transcontinental Railroad — Auburn —

On Lincoln Way, 0.1 miles south of The Golden Chain Highway (California Highway 49), on the right when traveling north.

14 ► California, Placer County, Colfax — 780-5 — Colfax — First Transcontinental Railroad —

On East Grass Valley Street, on the right when traveling south.

15 ► California, Placer County, Gold Run — Chinese Railroad Workers —

On Interstate 80.

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16 ► California, Placer County, Loomis — Loomis - Transcontinental Railroad —

Near Horseshoe Bar Road.

17 ► California, Placer County, Newcastle — 780-3 — First Transcontinental Railroad — Newcastle —

On Main Street at Page Street, on the right when traveling south on Main Street.

18 ► California, Placer County, Rocklin — 780-2 — Rocklin — First Transcontinental Railroad —

On Rocklin Road south of Front Street, on the right when traveling north.

19 ► California, Placer County, Roseville — 780-1 — Roseville — First Transcontinental Railroad —

On Church Street at Washington Boulevard, on the right when traveling east on Church Street.

20 ► 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.

21 ► California, Sacramento County, Sacramento, North Sacramento — 780-8 — First Transcontinental Railroad — Western Base of the Sierra Nevada —

Near Fulton Avenue.

22 ► California, Sacramento County, Sacramento, Old Sacramento — Freight on the Move — Central Pacific Railroad

Near Front Street. Reported permanently removed.

23 ► California, Sacramento County, Sacramento, Old Sacramento — 812 — Old Sacramento —

On 2nd Street, on the left when traveling south.

24 ► California, San Diego County, National City — 1023 — National City Depot — Transcontinental Railroad —

Near Bay Marina Drive west of West 23rd Avenue, on the right when traveling west.

25 ► California, San Joaquin County, Lathrop — 780-7 — First Transcontinental Railroad — Site of Completion of Pacific Railroad

On South Manthey Road, on the right when traveling west. Reported missing.

26 ► Colorado, Sedgwick County, Julesburg — Transcontinental Railroad — Wickedest City in the West —

Near U.S. 138 near U.S. 385, on the left when traveling north.

27 ► Nebraska, Dawson County, Cozad — 17 — The 100th Meridian —

On U.S. 30 at North Meridian Avenue, on the right when traveling east on U.S. 30.

28 ► Nebraska, Dawson County, Lexington — Plum Creek Railroad Attack —

On U.S. 30, 0.1 miles west of Road 430, on the right when traveling east.

29 ► Nebraska, Douglas County, Omaha, Downtown — Site of Union Pacific's Omaha Shops —

On 10th Street near Cuming Street, on the right when traveling south.

30 ► Nebraska, Keith County, Ogallala — 6 — The Union Pacific —

On West A Street near West Second Street.

31 ► Utah, Box Elder County, Corinne — Centre Siding — 1879-1899 —

On Transcontinental Railroad Back Country Byway, on the right when traveling west.

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32 ► Utah, Box Elder County, Corinne — Monument —

On Transcontinental Railroad Back Country Byway, on the left when traveling west.

33 ► Utah, Box Elder County, Corinne — Rozel — 1869-1942 —

On Transcontinental Railroad Back Country Byway, on the left when traveling west.

34 ► Utah, Box Elder County, Corinne — The Track that United the States — Golden Spike National Historic Site —

On West Golden Spike Drive, 0.6 miles east of N East Promontory Road (County Road W 7200N), on the right when traveling west.

35 ► Utah, Box Elder County, Park Valley — Bovine —

On Transcontinental Railroad Back Country Byway, on the left when traveling west.

36 ► Utah, Box Elder County, Park Valley — Historic Lucin —

On Transcontinental Railroad Back Country Byway, on the left when traveling west.

37 ► Utah, Box Elder County, Park Valley — Kelton —

On Transcontinental Railroad Back Country Byway near Kelton Road, on the right when traveling west.

38 ► Utah, Box Elder County, Park Valley — Matlin —

On Transcontinental Railroad Back Country Byway near Flat Road, on the right when traveling west.

39 ► Utah, Box Elder County, Park Valley — Medea Siding — 1899-1906 —

On Transcontinental Railroad Back Country Byway, on the right when traveling west.

40 ► Utah, Box Elder County, Park Valley — Old Terrace —

On Transcontinental Railroad Back Country Byway, on the left when traveling west.

41 ► Utah, Box Elder County, Park Valley — Ombey —

On Transcontinental Railroad Back Country Byway, on the left when traveling west.

42 ► Utah, Box Elder County, Park Valley — Peplin —

On Transcontinental Railroad Back Country Byway, on the right when traveling west.

43 ► Utah, Box Elder County, Park Valley — Red Dome Siding — 1895-1907 —

On Transcontinental Railroad Back Country Byway, on the right when traveling west.

44 ► Utah, Box Elder County, Park Valley — Romola —

On Transcontinental Railroad Back Country Byway, on the left when traveling west.

45 ► Utah, Box Elder County, Park Valley — Terrace —

On Transcontinental Railroad Back Country Byway, on the left when traveling west.

46 ► Utah, Box Elder County, Park Valley — Terrace Cemetery — 1869- ca. 1910 —

On Transcontinental Railroad Back Country Byway, on the left when traveling west.

47 ► Utah, Box Elder County, Park Valley — Walden Siding — 1898-1906 —

On Transcontinental Railroad Back Country Byway, on the right when traveling west.

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48 ► Utah, Box Elder County, Park Valley — Watercress —

On Transcontinental Railroad Back Country Byway, on the left when traveling west.

49 ► 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.

50 ► Utah, Box Elder County, Promontory Summit — Golden Spike — National Historic Site —

On North 22300th Street West, on the right when traveling south.

51 ► Utah, Box Elder County, Snowville — Elinor —

On Transcontinental Railroad Back Country Byway, on the right when traveling west.

52 ► Utah, Box Elder County, Snowville — Nella Siding — (???)2-19(?)6, 1916-????

On Transcontinental Railroad Back Country Byway, on the right. Reported damaged.

53 ► Utah, Box Elder County, Snowville — Seco —

On Transcontinental Railroad Back Country Byway, on the left when traveling west.

54 ► Utah, Box Elder County, Snowville — Ten-Mile —

On Transcontinental Railroad Back Country Byway, on the left.

55 ► Utah, Salt Lake County, Salt Lake City, Downtown — 358 — Transcontinental Railroad —

On 400 West at South Temple Street, on the right when traveling south on 400 West.

56 ► Wyoming, Albany County, Buford — Ames Monument —

On Monument Road near Hermosa Road, on the right when traveling south.

57 ► Wyoming, Albany County, Buford — Pyramid on the Plains —

On Monument Road near Hermosa Road, on the right when traveling south.

58 ► Wyoming, Albany County, Buford — The Transcontinental Railroad —

On Monument Road near Hermosa Road, on the right when traveling south.

59 ► Wyoming, Albany County, Buford — Tree Rock —

On Interstate 80 at milepost 332, in the median.

60 ► Wyoming, Carbon County, Sinclair — A Well Traveled Sawmill — The Fort Phil Kearny Sawmill —

Near County Route 347 near Interstate 80.

61 ► Wyoming, Carbon County, Sinclair — Bridge Tender's House —

On County Route 347 near Interstate 80, on the right when traveling north.

62 ► Wyoming, Carbon County, Sinclair — Brownsville and Benton —

On County Route 347 near Interstate 80, on the right when traveling north.

63 ► Wyoming, Carbon County, Sinclair — Carbon Timber Company —

Near County Route 347 near Interstate 80.

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64 ► Wyoming, Carbon County, Sinclair — Railroad and River — Fort Fred Steele's Lifelines —

On State Highway 374 near Interstate 80, on the right when traveling north.

65 ► Wyoming, Carbon County, Sinclair — The Passenger's Railroad — The Union Pacific Line —

On County Route 347 near Interstate 80, on the right when traveling west.

66 ► Wyoming, Carbon County, Sinclair — Town of Ft. Steele — Boom and Bust — 1889 to 1940's —

Near County Route 374 near Interstate 80.

67 ► Wyoming, Carbon County, Sinclair — Wild Times In Benton! — For the Railroad and Town —

On County Route 347 near 80, on the right when traveling west.

68 ► Wyoming, Laramie County, Cheyenne — The Union Pacific Railroad — Part 1 (1867 - 1890) / Part 2 (1869 - 1890) —

On Capitol Ave just south of Lincolnway, on the left when traveling south.

69 ► Wyoming, Sweetwater County, Point of Rocks — Point of Rocks Stage Station —

On Black Butte Road at Oregon Trail on Black Butte Road.

70 ► Wyoming, Uinta County, Evanston — Aspen Tunnel —

On State Highway 150 near County Route 75, on the left when traveling south.

71 ► Wyoming, Uinta County, Evanston — Bear River City —

On State Highway 150 near County Route 75, on the left when traveling south.

72 ► Wyoming, Uinta County, Evanston — Transcontinental Railroad —

On State Highway 150 near County Route 75, on the left.

73 ► Wyoming, Uinta County, Fort Bridger — 511 — Muddy Creek Camp and Crossing —

On Piedmont Road (County Road 173) 3.4 miles south of Interstate 80, on the right when traveling south.

74 ► Wyoming, Uinta County, Fort Bridger — Town of Piedmont — Piedmont Kilns -- Charcoal Making — Union Pacific Railroad —

On Piedmont Road (County Route 173) near Route 204, on the left when traveling south.