From	To	Type	Activity
1940	2009	Train	Ski Train, Denver-Winter Park
1940	1967	Train	Texas Zephyr (Train)
1941	Pre 1982	Loco	Alco S-2 (D&RGW)
1941	Pre 1982	Loco	EMD NW2 (D&RGW)
1941		Note	AAR recommends 3 flatcar designs - 53'6" (50-ton & 70-ton) & 50' (70-ton)
1941	1967	Train	Prospector, Denver-Salt Lake City & Ogden, #'s 7 & 8
1942	Pre 1982	Loco	EMD FT (D&RGW)
1942	1971	Train	Colorado Eagle (train) MP
1946		Cvd Hoppers	GA: 2-bay hopper car 1,958-cf. 70-ton
1946	1950	Loco	Alco RS2 Loco
1946	Pre 1982	Loco	EMD F3 (D&RGW)
1946	1971	Train	City of St. Louis (train) UP
1946	1967	Train	Royal Gorge, Denver-Grand Junction (via Royal Gorge), # 1 & 2
1947	Pre 1982	Loco	Alco PA-1  (D&RGW)
1947	1967	Loco	EMD F-3 (C&S)
1947	1983	Loco	EMD NW-2 (C&S)
1948	Pre 1982	Loco	FM H10-44 (D&RGW)
1948	Pre 1982	Loco	FM H15-44 (D&RGW)
1949	Pre 1982	Loco	EMD F7 (D&RGW)
1949	1971	Train	California Zephyr (train)
1949	-	Yard	North Yard (D&RGW)
1950	1956	Loco	Alco RS3 Loco (D&RGW)
1950	1968	Loco	EMD F-7 (C&S)
1950	-	Loco	EMD GP7 Loco (D&RGW)
1951		Loco	Up to GP7/F7/RS3
1953		Cvd Hoppers	PS-2: 3-bay hopper car 2,893-cf. 70-ton
1953	1983	Loco	EMD SD7 (C&S)
1953	-	Loco	EMD SD7 Loco (D&RGW)
1953		Trailers	SP 28' "Truck Service" piggybacks  - 2 trailers per flatcar
1954	1964	Loco	EMD E9
1954		Note	19,000 gal 70 ton tankcar introduced
1954	1968	Train	Yampa Valley, Denver-Craig, #'s 9 & 10
1955	Pre 1982	Loco	EMD F9 (D&RGW)
1955	Pre 1982	Loco	EMD GP9 (D&RGW)
1955		Note	Trailer Train created by PRR
1956	-	Loco	EMD SD9 (C&S)
1957	-	Loco	EMD SD9 Loco (D&RGW)
1957		Trailers	40' trailers allowed on highways
1957		Trailers	85' flatcars were introduced
1958		Cvd Hoppers	PS-2: 3-bay hopper car  3,219-cf. 70-ton
1958	1963	Loco	EMD SD24 Loco (ATSF 80; CB&Q 16; SOU 48; UP 75)
1958		Loco	Up to GP9/SD9/F9/SD24
1958		Note	CB&Q  started to update from Boxcar red to Chinese Red
1959	-	Loco	EMD SW-1200 (C&S)
1960		Cvd Hoppers	GA: Airslide hopper car 2,600-cf. 70-ton
1960		Loco	GE U25B (CBQ)
1960		Note	SP, ATSF & UP joined Trailer Train
1960		Note	Tri-level automobile racks for 85' flatcars introduced
1960		Note	Standard freight car now 50' long & 70 tons capacity
1961	1963	Loco	EMD GP30 Loco (D&RGW)
1961		Loco	Up to GP30/SD9/F9/U25B
1961		Note	The use of a single black, seven-inch stripe was first used on D&RGW locomotives in 1961. The first units with this scheme, the A-B-B-A set of passenger F3s (D&RGW 5521, 5522, 5523, 5524) assigned to the California Zephyr, were completed in mid-April 1961.
1962		Cvd Hoppers	PS-2CD: 3-bay hopper car 4,000-cf. 100-ton
1963	?	Loco	Alco C-420 "Century" loco introduced
1963	1965	Loco	EMD GP35 Loco (D&RGW)
1963		Loco	GE U25C (CBQ)
1963		Note	DRGW joined Trailer Train
1964		Cvd Hoppers	PS-2: 3-bay hopper car 4,427-cf. 100-ton
1964		Cvd Hoppers	ACF: 4-bay hopper car 4,650-cf. 100-ton
1964	1996	Loco	EMD SW1000/1200 (D&RGW)
1964		Note	17' high 10' wide 87' long Hi-cube boxcars (with NO running boards) introduced
1964		Trailers	89' flatcars were introduced
1965	1971	Loco	EMD SD45 Loco (D&RGW)
1966	1972	Cvd Hoppers	PS-2: 3-bay hopper car 4,740-cf. 100-ton
1966	-	Loco	EMD GP40 Loco (D&RGW)
1966		Loco	Up to GP40/SD45
1966		Note	New cars could be constructed without running boards
1966		Note	Roof walks not included on new equipment after 10/66
1967	1999	Loco	EMD FP45 Loco
1967	1987	Loco	EMD SD40 (C&S)
1967	1977	Trailers	ACI (Automatic Car ID) plate introduced - abandoned
1968		Cvd Hoppers	ACF: 2-bay hopper car  2,970-cf. 100-ton
1968	1971	Loco	EMD F45 Loco
1968	1987	Loco	GE U30C (C&S)
1968		Note	Roller-bearing trucks required on all new equipment
1969		Loco	EMD DD40AX introduced
1969		Note	ACF® Industries built general-purpose, single-compartment, 23,500 gallon, insulated, coiled, non-pressurized tank car introdced
1970	1995	Railroads	Burlington Northern (March)
1971		Railroads	Amtrak Commenced operations on 1/05/1971
1971	1983	Train	Rio Grande Zephyr (train)
1972		Cvd Hoppers	PS-2: 3-bay hopper car 4,750-cf. 100-ton
1972	1986	Loco	EMD GP40-2 Loco (D&RGW)