Cryptonym: HIWAY
https://www.archives.gov/files/iwg/declassified-records/rg-263-cia-records/second-release-lexicon.pdf
CIA document: Research Aid: Cryptonyms and Terms in Declassified CIA Files Nazi War Crimes and Japanese Imperial Government Records Disclosure Acts: Page 32: ..."Term: HIWAY. Definition: Cable indicator for Hungarian intelligence operations..."
https://www.cia.gov/readingroom/docs/BOLSCHWING%2C%20OTTO%20%28VON%29%20%20%20VOL.%202_0034.pdf
08/14/52: Dispatch from COS, Vienna to COS, Frankfurt (FOR: MKTOPAZ): Subject: AQUATIC: GROSSBAHN - Request for German Kennkarte: Slugline GROOVY/HIWAY: "Inclosed are passport photos believed to meet the specifications outlined in second reference. We are most anxious to receive the completed Kennkarte at the earliest convenient moment. (REDACTION)."
https://www.cia.gov/readingroom/docs/TRISKA%2C%20HELMUT_0037.pdf
10/28/53: Dispatch from Chief of Base, Vienna to Chief of Mission, Frankfurt (For: Pullach): Subject: General - Operational/HIWAY/ZODIAC. Specific - ZIPPER Operation against Hungarian Trade Mission, Frankfurt: "As stated in reference, we are forwarding herewith microfilmed copies of all correspondence in our (REDACTION) file which pertains to the ZIPPER (Gehlen Organization) operation against the Hungarian Trade Mission, Frankfurt."
https://www.cia.gov/readingroom/docs/UMPFENBACH%2C%20GEORG_0035.pdf
10/16/58: Cable from Vienna to Director: Slugline HIWAY (REDACTION) CATADPOLE: RE: FROB 2392 (IN 14402): (Handwritten: no record). "If 22 Oct convenient prefer (REDACTION) come FROB to check documents situation, study CATADPOLE (project involved surveillance and investigative activities in Frankfurt area. Heinz Till considered for possible use on project) file in addition meeting agent."
01/07/63: Cable from Stockholm to Director: Slugline LCHARVEST HIWAY KOBIRD: REF DIR 71746: BRLN 4637 (IN 51407): "1. No action taken pending reinstatement POA which just arrived. 2. Per Ref A, presumed STBITTERSWEET/1 would be invited FEDREP and contact with H/2 not required. 3. If contact with H/2 still desired, STOC will undertake. PLS advise." - - - 2022 release: https://documents3.theblackvault.com/documents/jfkfiles/jfk2022/104-10068-10130.pdf
104-10092-10073: OPERATIONAL - HUNGARIAN PASSPORT - BECK, JANOS (AMBASSADOR)
10/18/63: Dispatch from COS, Mexico City to Chief, EE Division (Info: Chief, WH Division): Subject: HIWAY/Operational - Hungarian Passport: Janos Beck: "Attached hereto is a negative and one print of the passport of Janos Beck, Hungarian Ambassador for Cuba. Willard C. Curtis (Winston Scott)."
104-10015-10033: CABLE REQUESTED CONTACT
11/20/63: Cable from Berlin to Director: Slugline LCHARVEST HIWAY KOBIRD: "1. PLS contact H/2. 2. No index. C/S Comment: *Queried if should contact H/2."