What percentage of a pavement marking must be removed for it to be considered acceptable?

In the context of pavement marking removal, the standard is that a certain percentage of the existing pavement marking must be removed to ensure that new markings can be applied effectively and that they will provide good visibility and delineation. The guideline indicating that 96% of a pavement marking must be removed signifies a high standard of removal to minimize confusion and enhance safety for drivers.

This requirement helps to ensure that any old markings, which could be misleading, have been effectively eliminated, allowing new markings to be the clear and sole indicators of lane boundaries or other roadway features.

The high percentage reinforces the importance of clear communication through pavement markings, as even a small residual amount can detract from the effectiveness of the new lines and potentially lead to safety hazards. Therefore, achieving at least 96% removal is critical for maintaining the integrity and clarity of the traffic control devices on the roadway.