Statute. An act of a legislature that declares, proscribes, or commands something; a specific law, expressed in writing. A statute is a written law passed by a legislature on the state or federal level.Statutes set forth general propositions of law that courts apply to specific situations. statute begins as a bill proposed or sponsored by a legislator. If the bill survives the legislative committee process and is approved by both houses of the legislature, the bill becomes law when it is signed by the executive officer (the president on the federal level or the governor on the state level).
The average width of a car lane is 9 feet which is equivalent to  2.7 meters. However, this may vary in some cases like highways  which are 3.7 meters or 12 feet wide.
The Interstate Highway standards for the U.S. Interstate Highway System uses a 12-foot (3.7 m) standard for lane width, while narrower lanes are used on lower classification roads. In Europe, as laws and road width vary by country, the minimum widths of lanes is generally between 2.5 to 3.25 metres (8.2 to 10.7 ft).