The Florida Department of Transportation's Transportation Statistics (TranStat) Office would like to finalize the existing web-based Straight-Line Diagram (SLD)application, which was developed in the first phase of the research application development project in 2008 and 2009 and was improved in the second phase in 2010. The overall objective of the third phase of the application's development is to address production environment issues, improve operational characteristics and stabilize user schemes essential to realizing full use of capabilities such as: (1) application maintenance; (2) adjust application framework; (3) improvement of automatic scaling; and (4) application code of 508 compliance reviews.