California US 48 routing

[agentsteel53]

does anyone have a detailed routing of this road, which was numbered so between 1926 and 1931?

a turn-by-turn guide would be the most ideal, but really anything more detailed than the Rand McNally national atlases of the time would be excellent.

[TheStranger]

From CAHighways:

"US 48 was signed in California in 1928. It ran from French Camp to San Jose via Tracy and Hayward. By 1935, this had become US-50 (LRN 5) using a routing that is now I-580 and I-205 (from Oakland along I-580 until the I-205/I-580 junction, and then along I-205 to Tracy; however, there are some reports that include I-238 in Oakland as part of the original US 48, and that indicate it was numbered as US 101E). There are also some maps that show Route 237 as part of US 48 (nee US 42)."

[NE2]

It's from the 1927 Rand McNally, but http://www.davidrumsey.com/luna/servlet/s/g33oq6 should be detailed enough. AASHO's 1927 log says "Beginning at French Camp via Tracy, Haywards[sic] to San Jose."

So however the Lincoln Highway went from French Camp to Hayward, that'll be US 48. Then Mission Boulevard, Warm Springs Boulevard, and the rest of the old road into San Jose's Oakland Road. Unless routings changed between 1931 and 1936, it probably ended at Santa Clara and Market: http://web.archive.org/web/20101125092501/http://members.cox.net/mkpl2/hist/droz-sdsjca33n.jpg http://www.cosmos-monitor.com/ca/map1936/insets/sf-vicinity-plus-monterey-co.html

[agentsteel53]

It's from the 1927 Rand McNally, but http://www.davidrumsey.com/luna/servlet/s/g33oq6 should be detailed enough. AASHO's 1927 log says "Beginning at French Camp via Tracy, Haywards[sic] to San Jose."

So however the Lincoln Highway went from French Camp to Hayward, that'll be US 48. Then Mission Boulevard, Warm Springs Boulevard, and the rest of the old road into San Jose's Oakland Road. Unless routings changed between 1931 and 1936, it probably ended at Santa Clara and Market: http://web.archive.org/web/20101125092501/http://members.cox.net/mkpl2/hist/droz-sdsjca33n.jpg http://www.cosmos-monitor.com/ca/map1936/insets/sf-vicinity-plus-monterey-co.html

excellent; thank you!

[TheStranger]

Basically, what was US 48 became US 50 extension (Hayward to French Camp) and originally US 101E, later Route 9, then Route 238/262?

[Max Rockatansky]

Thought it was time to bring the US 48 thread back, my own map research is lining up with the time frame outlined by CAhighways:


From CA 99/US 99 freeway series and CA 120 freeway blog:

https://www.cahighways.org/041-048.html#048

"Originally US 99 had an elongated alignment south of Stockton.  US 99 southbound entered Stockton on Wilson Way where turned west on Charter Way and south on McKinley Avenue.  US 99 continued south to French Camp onto French Camp Road where it met US 48 at Harlan Road.  US 99 continued southeast on French Camp Road to Main Street in Manteca.  This alignment appears to have been in use until 1929 according to USends.com.

https://www.usends.com/48-i.html

Starting in 1929 US 99 split into US 99E at Mariposa Road and US 99W at Charter Way.  US 99E largely followed the current freeway south to Manteca.  US 99W followed McKinley Avenue and French Camp Road south to French Camp.  From French Camp US 99W continued south to Lanthrop on Harlan Road and Manthey Road where it met the new terminus with US 48. At Yosemite Avenue US 99W turned eastward towards US 99E in Manteca.  The split in US 99W and US 99E in Stockton can be observed on the 1930 State Highway Map.

https://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~239599~5511899:Road-Map-of-the-State-of-California?sort=Pub_List_No_InitialSort%2CPub_Date%2CPub_List_No%2CSeries_No&qvq=q:caltrans;sort:Pub_List_No_InitialSort%2CPub_Date%2CPub_List_No%2CSeries_No;lc:RUMSEY~8~1&mi=76&trs=86

https://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~239601~5511906:-Verso--Road-Map-of-the-State-of-Ca?sort=Pub_List_No_InitialSort%2CPub_Date%2CPub_List_No%2CSeries_No&qvq=q:caltrans;sort:Pub_List_No_InitialSort%2CPub_Date%2CPub_List_No%2CSeries_No;lc:RUMSEY~8~1&mi=77&trs=86

CAhighways.org states that by 1935 US 50 was extended from Sacramento to Hayward.  State Highway Maps however don't show US 50 extended to the Bay Area until the 1936-37 edition.  Whenever US 50 was extended it was multiplexed US 99 from Sacramento to Stockton where the former took over the routing of US 99W and US 48.  Yosemite Avenue became part of CA 120 when the Signed State Routes were created in 1934.  The changes described above can be observed by comparing the State Highway Maps from 1934 through 1938."

https://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~239594~5511896:Road-Map-of-the-State-of-California?sort=Pub_List_No_InitialSort%2CPub_Date%2CPub_List_No%2CSeries_No&qvq=q:caltrans;sort:Pub_List_No_InitialSort%2CPub_Date%2CPub_List_No%2CSeries_No;lc:RUMSEY~8~1&mi=73&trs=86

https://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~239591~5511894:Road-Map-of-the-State-of-California?sort=Pub_List_No_InitialSort%2CPub_Date%2CPub_List_No%2CSeries_No&qvq=q:caltrans;sort:Pub_List_No_InitialSort%2CPub_Date%2CPub_List_No%2CSeries_No;lc:RUMSEY~8~1&mi=71&trs=86"