California State Route 189

State Route 189 (SR 189) is a state highway in the U.S. state of California that runs through the San Bernardino Mountains in San Bernardino County. The route travels from State Route 18 near Crestline to State Route 173 in Lake Arrowhead, serving Twin Peaks and Blue Jay along its way.

State Route 189
Map of San Bernardino County in southern California with SR 189 highlighted in red
Route information
Defined by Streets and Highways Code § 489
Maintained by Caltrans
Length5.565 mi[1] (8.956 km)
Major junctions
West end SR 18 near Crestline
East end SR 173 in Lake Arrowhead
Location
CountiesSan Bernardino
Highway system
← SR 188→ SR 190

Route description

SR 189 begins at Lake Gregory Drive approximately twenty feet north of State Route 18, between the community of Arrowhead Highlands to the west and the community of Rimforest to the east. It wends its way northeastward to the community of Twin Peaks. It continues roughly eastward through Twin Peaks to the community of Agua Fria (Spanish, cold water), where it forms a tee with the northern terminus of Daley Canyon Road. It turns northeast and continues from there through the downtown section of the community of Blue Jay. It ends at State Route 173 in the Village area of the community of Lake Arrowhead.

SR 189 is not part of the National Highway System,[2] a network of highways that are considered essential to the country's economy, defense, and mobility by the Federal Highway Administration.[3]

History

In 1933, a road from Strawberry Peak to the road between Cajon Pass and Lake Arrowhead was added to the state highway system.[4] It was given the number of Route 189 in 1935.[5] The route was unchanged by the 1964 state highway renumbering.[6]

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).[1] Segments that remain unconstructed or have been relinquished to local control may be omitted. The entire route is in San Bernardino County.

LocationPostmile
[1][7][8]		DestinationsNotes
​0.00 SR 18 / Lake Gregory Drive – San Bernardino, Lake GregoryWest end of SR 189
​3.09Daley Canyon Road – Big Bear City
Lake Arrowhead5.57 SR 173East end of SR 189
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also
  •  California Roads portal

References
  1. 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.
  2. Federal Highway Administration (March 25, 2015). National Highway System: California (South) (PDF) (Map). Scale not given. Washington, DC: Federal Highway Administration. Retrieved September 16, 2017.
  3. 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.
  4. California State Assembly. "An act to amend sections 2, 3 and 5 and to add two sections to be numbered 6 and 7 to an act entitled 'An act to provide for the acquisition of rights of way for and the construction, maintenance..." Fiftieth Session of the Legislature. Statutes of California. State of California. Ch. 767 p. 2034–2042.
  5. California State Assembly. "An act...relating to State highways". Fifty-first Session of the Legislature. Statutes of California. State of California. Ch. 274.
  6. California State Assembly. "An act to add Section 253 and Article 3 (commencing with Section 300) to Chapter 2 of Division 1 of, and to repeal Section 253 and Article 3 (commencing with Section 300) of Chapter 2 of Division 1 of, the..." 1963 Session of the Legislature. Statutes of California. State of California. Ch. 385 p. 1182.
  7. California Department of Transportation (July 2007). "Log of Bridges on State Highways". Sacramento: California Department of Transportation.
  8. California Department of Transportation, All Traffic Volumes on CSHS, 2005 and 2006

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