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1960
- California
- Note: This map shows the freeway replacements largely intact in the LA metro area, but sparse in rural CA.
SR 1 in Santa Monica
![](//upload.wikimedia.org/wikipedia/commons/thumb/0/07/US_6_%281961_cutout%29.svg/24px-US_6_%281961_cutout%29.svg.png) ![](//upload.wikimedia.org/wikipedia/commons/thumb/e/e3/US_91_%281961_cutout%29.svg/24px-US_91_%281961_cutout%29.svg.png) ![](//upload.wikimedia.org/wikipedia/commons/thumb/d/d5/US_99_%281961_cutout%29.svg/24px-US_99_%281961_cutout%29.svg.png) US 6 / US 91 / US 99 / US 101 in LA (detail isn't sufficient to see exact jct order)
US 395 in San Bernadino
![](//upload.wikimedia.org/wikipedia/commons/thumb/e/e3/US_91_%281961_cutout%29.svg/24px-US_91_%281961_cutout%29.svg.png) US 91 / US 466 in Barstow
- (Note: map shows a small section of I-15 in place between Victorville and Barstow)
US 95 north and south of Needles
- Arizona
- Note: My map shows no portion of I-40 open to traffic in Arizona
![](//upload.wikimedia.org/wikipedia/commons/thumb/0/00/US_93.svg/24px-US_93.svg.png) US 93 / US 466 in Kingman
US 89 overlap from Ashfork to Flagstaff
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/Alternate_plate.svg/24px-Alternate_plate.svg.png)
US 89A in Flagstaff
US 260 in Holbrook
US 666 overlap from Sanders, Ariz., to Gallup, N.M.
- New Mexico
- Note: My map shows I-40 in New Mexico about 40% complete
US 85 in Albuquerque
US 285 at Clines Corners
US 84 overlap from near San Ignacio to Santa Rosa
US 54 overlap from Santa Rosa to Tucumcari
- Texas
- Note: Map shows I-40 about 40% complete, in Texas, virtually finished east of Amarillo.
![](//upload.wikimedia.org/wikipedia/commons/thumb/3/35/US_60.svg/24px-US_60.svg.png) ![](//upload.wikimedia.org/wikipedia/commons/thumb/3/37/US_87.svg/24px-US_87.svg.png) US 60 (overlap) / US 87 / US 287 in Amarillo
US 83 in Shamrock
- Oklahoma
- Note: Map shows I-44 as complete or under construction the entire length I-40 about 30% complete
US 283 in Sayre
US 183 in Clinton
US 281 overlap near Bridgeport
US 270 overlap from near Calumet to OKC
US 81 in El Reno
I-44 overlap from OKC to Miami
US 75 overlap from Sapulpa to Tulsa
US 64 in Tulsa
US 169 in Tulsa
US 60 in Vinita
US 69 overlap form near Whiteoak to Commerce
US 59 overlap from Vinita to near Afton
- Kansas
US-166 overlap from Baxter Springs, Kan., to Joplin, Mo.
- Missouri
- Note: Map shows I-44 largely complete or under construction east of Springfield
US 71 overlap from Joplin to Carthage
US 160 at Springfield
US 65 at Springfield
US 63 at Rolla
![](//upload.wikimedia.org/wikipedia/commons/thumb/0/04/US_40.svg/24px-US_40.svg.png) ![](//upload.wikimedia.org/wikipedia/commons/thumb/5/58/US_50.svg/24px-US_50.svg.png) ![](//upload.wikimedia.org/wikipedia/commons/thumb/b/bd/US_61.svg/24px-US_61.svg.png) US 40 / US 50 / US 61 / US 67 St. Louis area
- Note St. Louis area drawn very congested, not enough detail to confirm US-40A routings etc.
- Illinois
- Note:US-66 mostly intact and very little Interstate Highway construction in IL until near Chicago.
![](//upload.wikimedia.org/wikipedia/commons/thumb/6/68/US_36.svg/24px-US_36.svg.png) US 36 / US 54 in Springfield
US 51 overlap in Normal
US 150 in Normal
US 24 in Chenoa
US 6 near Birds
US 52 near Joliet
US 30 in Plainfield
![](//upload.wikimedia.org/wikipedia/commons/thumb/6/6a/US_12.svg/24px-US_12.svg.png) ![](//upload.wikimedia.org/wikipedia/commons/thumb/9/92/US_20.svg/24px-US_20.svg.png) US 12 / US 20 / US 45 near La Grange
US 34 overlap from Brookfield to end
- East of here is very congested and difficult to read
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