EMERGENCY INFORMATION FDOT Emergency Travel Alert: For information on the current situation, please visit the following page - Alerts.

Project Details
Work Type Intersection Improvements
Phase Construction
Limits Spring Time Street to east of Mariner Blvd / Shady Hills Rd
Project Start June 2017
Length Intersection
Construction Cost $8.4 million
Estimated Completion Summer 2018
Contractor D.A.B. Constructors, Inc.

The Florida Department of Transportation's contractor, D.A.B. Constructors, Inc., is making improvements to the intersection of CR 578 (County Line Road) and Mariner Boulevard / Shady Hills Road in Spring Hill. 

Improvements to County Line Road include widening the existing two-lane undivided roadway to a four-lane divided roadway, replacing the traffic signal, adding sidewalk and a shared-use path. 

Construction activities will occur during daytime and nighttime hours. Motorists can expect nightly lane closures from 10:00 pm to 6:00 am.

The $8.4 million project is expected to finish summer 2018.

View Factsheet
Contact Information
Construction Manager
Tyler Matthews
Media Contact
Kris Carson
Lane Closures
  • Nightly lane closures: Sunday, May 20 through Thursday, May 24 from 8:30 p.m. to 6:30 a.m.

Project Files
Project Images
County Line Road and Mariner Blvd and Shady HIlls Rd Intersection May 2018
County LIne Rd and Old Shady Hills Rd Intersection May 2018
Temporary Traffic Signal May 2018
CR 578 Roadway Widening November 2017
CR 578 Drainage Pipe Installation November 2017
CR 578 Construction of Pond November 2017