Two-second rule two seconds as inadequate, and recommend a three-second rule. German law requires a minimum 0.9 second distance but when tested under relaxed conditions researchers found that their test subjects spent 41% of the test time at following distances under 0.9 second. The United States National Safety Council suggests that a three-second rule—with increases of one second per factor of driving difficulty—is more appropriate. Factors that make driving more difficult include poor lighting conditions (dawn and dusk are the most common); inclement weather (ice, rain, snow, fog, etc.), adverse traffic mix (heavy vehicles, slow vehicles, impaired drivers, pedestrians, bicyclists, etc.), and
Plain meaning rule clear meaning that makes sense within that context. If Parliament does not like the literal interpretation, then it must amend the legislation. The "plain meaning rule" has sometimes been applied to the interpretation of contracts, particularly in conjunction with the parol evidence rule. Such a use is controversial. Plain meaning rule The plain meaning rule, also known as the literal rule, is one of three rules of statutory construction traditionally applied by English courts. The other two are the "mischief rule" and the "golden rule". The plain meaning rule dictates that statutes are to be interpreted using the ordinary meaning