The Highway Code be taken into account by a court. The mandatory rules reflect the Statute Law, which may (and usually does) provide a separate penalty. The highway code was first published in 1931 as a booklet and has been regularly updated to reflect current practices. It is prepared by the Department for Transport and the Driver and Vehicle Standards Agency, and is published by The Stationery Office in electronic form and as a printed book. Most copies are bought by learner drivers preparing for their driving test. In 2004, for example, over one million copies of the Highway Code were sold. The
Highway 1922, the first blueprint for a national highway system (the Pershing Map) was published. The Federal Aid Highway Act of 1956 allocated $25 billion for the construction of the Interstate Highway System over a 20-year period. In Great Britain, the Special Roads Act 1949 provided the legislative basis for roads for restricted classes of vehicles and non-standard or no speed limits applied (later mostly termed motorways but now with speed limits not exceeding 70 mph); in terms of general road law this legislation overturned the usual principle that a road available to vehicular traffic was also available to horse or