California State Route 271

State Route 271 (SR 271) is a state highway in the U.S. state of California that runs along a former routing of U.S. Route 101 (US 101) in Mendocino and Humboldt counties. It also connects with State Route 1 just before that route's terminus with US 101 in Leggett. After US 101 was realigned, SR 271 was reduced to being a frontage road in discontinuous segments. While US 101 stays mostly in second growth redwoods, SR 271 is used as a scenic alternate through several old growth redwood groves.

State Route 271
Map of northwestern California with SR 271 highlighted in red
Route information
Defined by Streets and Highways Code § 571
Maintained by Caltrans
Length14.84 mi[1] (23.88 km)
Section 1
South end US 101 at Cummings
North end SR 1 near Leggett
Section 2
South end US 101 at Reynolds
North end US 101 at Cooks Valley
Location
CountiesMendocino, Humboldt
Highway system
← SR 270→ SR 273

Route description

The southern portion of SR 271 begins at an interchange with US 101 in the community of Cummings. SR 271 winds through the forest, paralleling US 101 and intersecting it twice on its northwest journey. The highway eventually comes into the southern area of Leggett, where SR 271 comes to another grade-separated interchange with US 101. The road continues north, paralleling US 101 to the west, and passing through the Drive-Thru Tree Park. The southern segment of SR 271 terminates at SR 1 in Leggett.[2]

The northern portion of SR 271 begins at another interchange with US 101 and parallels US 101 to the east. At an interchange, it passes to the west of US 101 and continues north to the community of Cooks Valley, where it terminates at an interchange with US 101.[3]

Sign at the north end of California Route 1 showing direction of California Route 271.

SR 271 is not part of the National Highway System,[4] a network of highways that are considered essential to the country's economy, defense, and mobility by the Federal Highway Administration.[5]

History

CA 271 was part of U.S. Route 101 until a freeway bypass completed in 1970–1974, assuming the 101 designation. The former highway was then designated as CA 271.

Major intersections

Except where prefixed with a letter, postmiles were measured on the road as it was in 1964, based on the alignment that existed at the time, and do not necessarily reflect current mileage. R reflects a realignment in the route since then, M indicates a second realignment, L refers an overlap due to a correction or change, and T indicates postmiles classified as temporary (for a full list of prefixes, see the list of postmile definitions).[6] Segments that remain unconstructed or have been relinquished to local control may be omitted. The numbers reset at county lines; the start and end postmiles in each county are given in the county column.

CountyLocationPostmile
[6][1][7]		DestinationsNotes
Mendocino
MEN 0.00-22.72		​0.00 US 101 – Eureka, UkiahInterchange; south end of SR 271
South Leggett5.60 US 101Interchange
Leggett7.31 SR 1 to US 101 – Fort BraggNorthern end of southern section of SR 271; former SR 208
Gap in route
ReynoldsR17.05 US 101Interchange; southern end of northern section of SR 271
Piercy19.46 US 101Interchange
Humboldt
HUM 0.00-0.30		Cooks Valley0.30 US 101North end of SR 271
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also
  •  California Roads portal

References
  1. California Department of Transportation (April 2008). "Log of Bridges on State Highways". Sacramento: California Department of Transportation.
  2. Google (2011-03-19). "California State Route 271 - southern portion" (Map). Google Maps. Google. Retrieved 2011-03-19.
  3. Google (2011-03-19). "California State Route 271 - northern portion" (Map). Google Maps. Google. Retrieved 2011-03-19.
  4. Federal Highway Administration (March 25, 2015). National Highway System: California (North) (PDF) (Map). Scale not given. Washington, DC: Federal Highway Administration. Retrieved August 28, 2017.
  5. Natzke, Stefan; Neathery, Mike & Adderly, Kevin (June 20, 2012). "What is the National Highway System?". National Highway System. Washington, DC: Federal Highway Administration. Retrieved July 1, 2012.
  6. California Department of Transportation. "State Truck Route List". Sacramento: California Department of Transportation. Archived from the original (XLS file) on June 30, 2015. Retrieved June 30, 2015.
  7. California Department of Transportation, All Traffic Volumes on CSHS, 2007

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