The Final EIS for the North-South Freeway was completed in January 1977. Construction followed on the limited access highway from Exit 67 (Glendale Avenue) south to Exit 63 (South Virginia Street). This section opened in 1980.3
A Supplemental EIS for the U.S. 395 freeway leading south from Exit 63 to Winters Ranch (near Exit 50) was conducted from 1979 to 1983. Construction got underway afterwards, with the North-South Freeway completed from Exits 63 to 61 in 1983. The remainder south to Exit 56 (SR 431 / Mt. Rose Highway) was finished in 1998.3
Work on the I-580 Freeway Extension Project, the highway paralleling U.S. 395 to the west from Steamboat south to Pleasant Valley and Washoe City, was underway in 2003.3 Simultaneously to the south, construction on the Carson City Freeway portion of I-580 upgraded a four-lane segment of U.S. 395 to Interstate standards at Lakeview and the Washoe County / Carson City line. Costing over $200 million, ground breaking for Phase 1 of the Carson City Freeway took place in 2000.4
The $555 million I-580 Freeway Extension Project ran through 2012, with the 8.5 mile section, and the 1,700 foot long and 300 foot high Galena Creek cathedral arch bridge, the largest structure of its kind, fully opened to traffic on August 27.5 The Carson City Freeway project opened initially from Lakeview south to U.S. 50 (William Street) on February 16, 2006. The 1.8 mile link south from the SPUI with William Street to Fairview Drive was finished in September 2009.6
The freeway around Carson City was officially dedicated as the Carson City Deputy Sheriff Carl Howell Memorial Freeway in December 2015.4 A six feet tall metal sculpture of an eagle at the south end of the freeway honors the name of Eagle Valley, where Carson City sits. A similar sculpture is located at the north end of the freeway at Arrowhead Drive.7
A community free fun walk, run and ride celebrated the opening of the last leg of the Carson City Freeway on July 22, 2017. The $42.24 million7 section opened to motorists on August 2.
Future work will upgrade the signalized south end of I-580 at the partition with U.S. 50 west to Lake Tahoe and U.S. 395 south to Minden to a single point urban interchange (SPUI). Estimated to cost $20 million or more,7, this work is scheduled for the mid-2020’s as funding becomes available.4,6