We found that in many cases, sidewalk pavement tiles are fragile and slippery, To prevent the mentioned flaws, more and more constructions start to adopt safer colored asphalt. The following is our analysis concerning the advantages and disadvantages of colored asphalt.

• cold spray, cold mix: In the original asphalt or concrete covered with a thin layer of color.
  
• melt, hot mix:  the same way to general paving asphalt.