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The Florida Department of Transportation (FDOT) intends to use Federal aid funds authorized by the Federal Highway Administration (FHWA) to improve North Dale Mabry Highway between the vicinity of Van Dyke Road in Hillsborough County to the vicinity of US 41 (SR 45) in Pasco County, a distance of approximately 4.6 miles.

Study Purpose and Need

The purpose of this report was to document existing conditions and deficiencies in the existing facility and to document alternative design concepts which would provide adequate future highway service while minimizing social, economic, and environmental impacts. Analysis of the alternatives would identify those with the highest potential for for implementation and document the reasons for rejection of other alternates.

Proposed Improvements

The improvements are proposed to be done in two separate stages. Stage I consists of adding two additional lanes resulting in a four-lane divided rural highway within the existing 200 foot right-of-way (ROW). Stage II consists of converting the highway into a four-lane limited access urban highway with two-way, two-lane urban frontage roads. Additional ROW would be required for the mainline sections, for major intersections (potential interchange locations), and for stormwater detention/treatment and wetlands mitigation areas. The total cost for State I is estimated to be about $5.7 million, and the cost for Stage II is estimated to be about $26 million.