According to the Asahi Shinbun, an amended order, not a law, went into effect on 1st of April. The government is aiming to create road signs easier to understand for foreigners! So far, they were written signs in both Roman Letters and Japanese. From now on, it will be written in English and Japanese!!
Actually, the Japan National Tourism Organization announced that we have welcomed a record 10 million visitors in 2013! We look forward to welcoming more of you!!
Likewise, let me introduce a simple way to get all your information about Japan;
Here is a feature on Amagi and Kawazu Area, Shizuoka;