Retired to stud, Traffic Judge was the sire of Traffic, the 1963 Hopeful Stakes winner in the United States who went on to stand at stud in France where he was the 1971 Leading sire. Other of Traffic Judge's progeny who were successful in racing included multiple stakes winners Green Ticket (1959), Traffic Mark (1966), Judgeable (1969) and Grade 1 winner Court Ruling (1970). In addition, he sired Best In Show (1965) who was voted Kentucky Broodmare of the Year in 1982.
Traffic Judge died at age twenty in 1972 and was buried at The Stallion Station now known as 505 Farm.[9]
* Traffic Judge is inbred 3S x 4D to the stallion Tracery, meaning that he appears third generation on the sire side of his pedigree, and fourth generation on the dam side of his pedigree.