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| Joint - A pavement discontinuity (break or gap) made necessary by design or by interruption of a paving operation. | |
| Joint Depth - The measurement of a saw cut from the top of the pavement surface to the bottom of the cut. | |
| Joint Filler - Compressible material used to fill a joint to prevent the infiltration of debris. | |
| Joint Seal Deterioration - Break down of a joint or crack sealant, such as by adhesion or cohesion loss, which contributes to the failure of the sealant sy... | |
| Joint Sealant - Compressible material used to minimize water and solid debris infiltration into the sealant reservoir and joint. | |
| Joint Shape Factor - Ratio of the vertical to horizontal dimension of the joint sealant. Factor can vary depending on type of sealant specified. | |
| Jointed Plain Concrete Pavement - PCC pavement constructed with regularly spaced transverse joints to control all natural cracks expected in the concrete. Dowel b... | JPCP |
| Jointed Reinforced Concrete Pavement - Portland cement concrete pavement containing regularly spaced transverse joints and embedded steel mesh reinforcement (sometimes... | JRCP |
