2019-02-082019-02-081979-5FHWA-OKOklahoma Department of Transportation State Planning and Researchhttps://hdl.handle.net/11244/317199A survey of literature pertaining to materials and methods of sealing highway pavement cracks indicated a scarcity of information and a lack of standard testing procedures for asphalt pavement crack sealants. Therefore, the proposal for research on "Sealing Cracks in Flexible Pavements" called for evaluating and/or developing a series of laboratory test procedures that could be used to predict a sealant material's ultimate field performance.73 pages5,910,563 bytesapplication.pdfTechnical Report