Regulatory signs are used to inform road users of selected traffic laws and regulations. Most regulatory signs are rectangular, with the longer dimension vertical. Most signs have a black message & boarder on a white background and may include an red prohibitory circle or slash. Available in high density overlay plywood, or Aluminum substrates. Standard sizes available with options of Hinged (folding) or pre-drilled holes. We use the highest quality 3M high Prismatic or Engineer grade reflective sheeting.