Today, the road traverses 53.7 miles (86.4 km) through Coconino County from State Route 87 (SR 87) east of Clint's Well to its northern terminus in Flagstaff.

From there, Lake Mary Road (CR 3) heads north-northwest, traveling for 15.5 miles (24.9 km) before reaching the tiny community of Happy Jack.

Upon reaching Flagstaff city limits, CR 3 ends and Lake Mary Road continues.

The road reaches its northern end at Beulah Boulevard in Flagstaff, at the southwest corner of the Interstate 17/Interstate 40 (I-17/I-40) interchange.

[2] It is also renowned for its gently rolling hills and wide roadway shoulders, making bicycling along the road attractive.