US 622
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US 622 at US Ends.com

US 622  quickly renumbered
Previous US 622's:

Final ROUTE LOG
US 40: 0 - 0
PA STATE LINE: 1 - 1
US 30: 28 - 29
US 22 WB: 39 - 68
US 23 EB: 23 - 91
US 11, US 111: 44 - 135
US 622: Created without assigned number in July 1926 in the period between the original 1925 preliminary list and the final list in November 1926. The number first appears on the November 1926 US route list AASHO sent to Pennsylvania. US 622 ran from US 40 (now MD 144) Hancock MD to US 220 (now US 220 Bus) Tyrone, PA.
US 622 was new primary posted routing.
There are some 1927 documents regarding Pennsylvania's unhappiness with the routes and numbers assigned.
In March 1927 AASHO and Pennsylvania reworked an AASHO map of the November 1926 designations. US 622 was changed to leave Mt. Union east with US 22 to Lewiston, then replace US 522 to end at US 11-111 (now Market St) Selinsgrove. The old route of US 622 west from Mt Union remained US 22 to Water Street (except Oriskany Rd/PA 655 in the Mapleton area; Main St through Mill Creek; Numers Hollow Rd/abandoned west of the RR/Penn St through Huntingdon; PA 26; T561; lengthy Old US 22 east of Alexandria; Grange Hall Rd/PA 305/SR 4014 Main St through Alexandria; and became US 322 (now PA 453 except Pemberton Rd/Limestone; SR 1014 Ironville Rd/SR 1015 Quarry Rd through Ironville; 10th St into Tyrone) over to Tyrone.

1926 AASHO map
US 622 in southern PA, to Tyrone
1926 AASHO map
1927 RMcN
US 622 on commercial maps
1927 RMcN

When the first formal list of US routes came out in May 1927, US 622 was not on it. Instead, US 622 was renumbered as an extension of US 522.
On June 7, 1927, Pennsylvania sent a list of corrections to the May 1927 US Route list. Included was the fact that all of US 522 was supposed to be US 622. A June 10 internal AASHO memo recommended changing 522 back to 622. However, the June 14 AASHO response letter to Pennsylvania affirmed US 522 "in order to have numbers which are offshoots of US No. 22 to run consecutively." There are other examples of AASHO doing this, most notably in renumberings related to the US 60-66 swap in New Mexico. I will note that they did not renumber all the US 11 offshoots so that US 611 would be US 111.
Pennsylvania did not post their US Routes early on, so US 622 was never signed.
US 622 also appeared on 1927 Rand McN, Gousha, Gen Draft and Clasons maps.
It is still US 522 except: Limestone Rd in Hancock, Warfordsburg Rd/Bucks Valley Rd/PA 484 through Warfordsburg, SR 3019 to I-70; Barnetts Run Rd through Dott/SR 3013 Sipes Mill Rd; PA 655/Martin Rd east out of Needmore; Whipperwill Ln/abandoned/Wava Ln east of Scrub Ridge; Knobsville Rd through Knobsville; Menious Rd near Ft Littleton; Wilson Ln near and Johnson Ln/Mentzer Ln through Mentzer; Piper Ln north of Mentzer; Main St through Shade Gap and nearby Starr Farm Rd; Pump Station Rd/abandoned/Keystone Rd out of Shirleysburg; abandoned/PA 103 approaching Allenport; Shirley St/Jefferson St/Poplar St/abandoned bridge leaving Mt Union; Lucy Furnace Rd and T-703 east of Mt Union; Ferguson Valley Rd/Big Greenbriar Rd in Atkinson; Old State Rd/Lombard St/Market St/Holiday St through McVeytown; Caldwell Hill Rd/Old Caldwell Hill Rd/US 22 Bus/Market St into Lewistown; Logan St/Walnut St leaving Lewistown; Snyder Ave to Beaver Springs; Spruce St/Center Ave/Gross Rd to Beavertown; Paxtonville Rd through Paxtonville PA and PA 104 into Middleburg PA; Swineheart Dr in Middleburg; Sale Barn Rd east of Middleburg; Kreamer Ave/Freeburg Rd through Kreamer; abandoned/Nellis Dr/abandoned/Old Rte 522/SR 1011 Salem Rd/University Ave/Pine St to Selinsgrove.

1927 AASHO Working map
US 622 penciled in to replace US 522 to Selinsgrove
1927 AASHO Working map
1930 Clasons
US 622 becomes US 522
1930 Clasons


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Page last modified 13 January 2026