to US 72 east of Huntsville. The construction phase of this extension is scheduled to start in 2024. In December 2013, the Huntsville City Council approved a sales tax increase to raise funds for this and other road projects around Huntsville; this went into effect March 1, 2014. Major junctions References External links Alabama Department of Transportation county road maps for Madison (Adobe Acrobat reader required for maps; enlargement of maps necessary for legibility) Bypasses in Alabama 255 Transportation in Huntsville, Alabama Transportation in Madison County, Alabama