Kentucky Route 1974, also known as Tates Creek Road, Euclid Avenue, and Avenue of Champions, stretches from the University of Kentucky campus near its northern terminus and proceeds southeast towards Spears. It has become a popular commuting route from points south, especially with recent housing development south of Man o' War Boulevard that stretches to Kentucky Route 1980. KY 1974 was widened from two to four lanes south of Man o' War Boulevard to KY 1980 in the late 1990s. It becomes a rural two-lane road with very light traffic to its southern terminus with KY 169, which leads to the Valley View Ferry.
KY 1974 begins at an intersection with KY 169 in Lexington, Fayette County, heading north on two-lane undivided Tates Creek Road. Immediately after beginning, the route intersects the southern terminus of KY 1975. The road continues through farmland with some woods and residences. curving to the north-northwest. KY 1974 continues past more farms and intersects the northern terminus of KY 1980 before passing to the east of a residential neighborhood. Farther north, the route widens into a five-lane road with a center left-turn lane and heads through suburban areas of homes. The road passes near more residential areas with some businesses, intersecting Man o' War Boulevard. KY 1974 heads north through more suburban development and becomes a four-lane divided highway as it comes to an interchange with KY 4 (New Circle Road). Following this interchange, the road runs through more development as it heads a short distance to the east of the University of Kentucky campus. The route narrows into a three-lane road with a center left-turn lane and passes homes, with the name changing to East High Street. KY 1974 heads into business areas as a four-lane undivided road, where it turns northwest onto Euclid Avenue. The road becomes a three-lane road with a center left-turn lane and passes through a mix of homes and businesses. The route heads through the University of Kentucky campus and becomes two-lane Avenue of Champions. KY 1974 reaches its northern terminus at an intersection with the northbound direction of US 27, which turns from East Limestone Street onto Winslow Street.