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US 301 Widening from south of US 98 to SR 50 (Cortez Blvd) 447536-2-52-01
Project Details
| Work Type | Widening |
|---|---|
| Phase | Construction |
| Limits | south of US 98 to north of SR 50 |
| Project Start | July 22, 2024 |
| Length | 4.2 miles |
| City | |
| County | |
| Road | |
| Construction Cost | $87.2 million |
| Estimated Completion | Fall 2028 |
| Contractor | Prince-Ajax US-301 Mobility Partners |
About
This design-build project will widen US 301 (Treiman Blvd.) to a four-lane divided highway with medians, paved shoulders, and sidewalks. The project will add capacity and enhance mobility and safety. The project limits are from north of Marka Drive (south of the US 98/McKethan Road intersection) to just south of Ridge Manor Boulevard (north of SR 50).
Improvements will include roadway widening and reconstruction, new bridge construction, lighting, drainage, signing and pavement markings, and signalization.
One vehicular bridge and a pedestrian bridge will be constructed over the Withlacoochee River. The existing bridge will be converted to northbound traffic, while a new bridge will built for southbound traffic.
A roundabout will be built at the intersection of US 301 and Trilby Road / CR 575 (formerly SR 575 until 7/1/2026). A traffic signal will be added at the US 301 and US 98 intersection.
The contractor is responsible for finalizing the design plans and building the improvements in this design-build contract. The design portion of the contract began in July 2024. Clearing operations began in early January 2025. Major construction activities began in summer 2025.
Contact Information
Closures
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CR 575 CLOSED at US 301
Trilby/Lacoochee – CR 575 (formerly SR 575) is closed on the east side of US 301, as of March 2, 2026. The closure is needed to build the east side of a new roundabout at the intersection. The closure is expected to be in place into August 2026. CR 575 will remain open to local traffic east of the closure at US 301.
DETOURS: Drivers can access CR 575 by taking Cummer Road to Bower Road to CR 575. Access will also remain available from SR 50 (Cortez Blvd) by going south on Burwell Road (Hernando CR 575) which turns into Pasco County CR 575 at Lacoochee Clay Sink Road.
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CR 575 intersection on the east side of US 301
Access to/from US 301 closed: Around-the-clock through into August 2026
