California CodesSHC CodeDivision 1 - STATE HIGHWAYSChapter 2 - The State Highway SystemArticle 3 - The State Highway Routes§ 543§ 543Added by Stats. 1970, Ch. 1473.Route 243 is from Route 74 near Mountain Center to Route 10 near Banning.Cite this sectionCal. Sts. & High. Code § 543 (2026)Copyhttps://ca.codecond.com/codes/shc/division-1-state-highways/chapter-2-the-state-highway-system/article-3-the-state-highway-routes/section-543CopyOther sections in Article 3 - The State Highway Routes§ 300§ 301§ 301.1§ 301.3§ 301.4§ 301.5§ 302§ 303§ 304§ 305…§ 620§ 621§ 622§ 622.1§ 622.3§ 623§ 624§ 625§ 632§ 635← § 542§ 544 →