Wash. Rev. Code » Title 47 · Chapter 47.36
Revised Code of Washington

Wash. Rev. Code § 47.36.020 (2026)

Traffic control signals

✓ current as of May 2026
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The secretary of transportation shall adopt specifications for a uniform system of traffic control signals consistent with the provisions of this title for use upon public highways within this state. Such uniform system shall correlate with and so far as possible conform to the system current as approved by the American Association of State Highway Officials and as set out in the manual of uniform traffic control devices for streets and highways.
[ 1977 ex.s. c 151 s 60; 1961 c 13 s 47.36.020. Prior: 1937 c 53 s 50; RRS s 6400-50; prior: 1927 c 309 s 6; RRS s 6362-6.]
Notes of Decisions
Cited in 9 cases (1 in the last 5 years), 1970–2024 · leading case: Xiao Ping Chen v. City of Seattle, 223 P.3d 1230 (Wash. Ct. App. 2009).
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Xiao Ping Chen v. City of Seattle, 223 P.3d 1230 (Wash. Ct. App. 2009). “The city also argued that it was not in violation of any law requiring safety measures different from those installed at the crosswalk.”
Xiao Ping Chen v. City of Seattle, 153 Wash. App. 890 (Wash. Ct. App. 2009). “The city also argued that it was not in violation of any law requiring safety measures different from those installed at the crosswalk.”
Meabon v. State, 463 P.2d 789 (Wash. Ct. App. 1970). · cites it 2× “In other words, when the legislature required adoption of the uniform manual for traffic control devices (RCW 47.36.020, .030, and .053) a standard of care is established.”
Radosevich v. Cnty. Commissioners, 476 P.2d 705 (Wash. Ct. App. 1970). · cites it 2× “” There was no provision for such a sign in the Manual for Signing governing signs as issued by the State Highway Commission pursuant to RCW 47.36.020 and RCW 36.86.040. There were no advance warning signs on Grand-view Road before reaching the yield sign and there were no signs…”
Owen v. Burlington N. Santa Fe R.R., 56 P.3d 1006 (Wash. Ct. App. 2002). “1988), published by the United States Department of Transportation, has been adopted by the Washington State Highway Commission under the authority of RCW 47.36.020. 14 Section 8A-1 of the manual sets forth the applicable standards for traffic signals and warning devices at or…”
State of Washington v. Jena Dale Brooks (Wash. Ct. App. 2018). “RCW 47.36.020; WAC 468-95-010. Therefore, it is an appropriate guide to interpreting the meaning of traffic control devices, such as pavement markings, used on public highways within our state.”
Gregory Ryan, Et Ano., V. City Of Renton, Et Ano. (Wash. Ct. App. 2024). “RCW 47.36.020; WAC 468-95-010. Cities are required to equip certain primary, secondary, and connecting streets with traffic control devices.”
Gayle Torgerson v. City Of Seattle (Wash. Ct. App. 2014). “RCW 47.36.020; WAC 468-95-010. The MUTCD requires installation of reduced speed limit signs where "a reduced speed zone for a school area has been established.”
Owen v. Bnsf R.R., Inc., 56 P.3d 1006 (Wash. Ct. App. 2002). “The Manual on Uniform Traffic Control Devices, published by the United States Department of Transportation, has been adopted by the Washington State Highway Commission under the authority of RCW 47.36.020. [14] Section 8A-1 of the manual sets forth the applicable standards for…”
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