(2)Traffic signs placed or erected under sub-section (1) for any purpose for which provision is made in the Schedule shall be of the size, colour and type and shall have the meanings set forth in the Schedule, but the State Government or any authority empowered in this behalf by the State Government may make or authorise the addition to any sign set forth in the said Schedule, of transcriptions of the words, letters or figures thereon in such script as the State Government may think fit provided that the transcriptions shall be of similar size and colour to the words, letters or figures set forth in the Schedule.