This standard describes a test method for assessing the degree of Coating bleeding of traffic markings, particularly for solvent-based traffic coatings. The test includes a panel that prepares the Coating to be tested and a reference panel coated with a specific solvent to assess the degree of Coating bleeding. This method is useful for ensuring that the effect of traffic markings is not affected by Coating bleeding. Two basic procedures are included in the test, which can be selected according to actual needs to help ensure the performance and safety of traffic markings.