U.S. Route 19 Alternate (Florida)

U.S. Highway 19 Alternate
U.S. Highway 19 Alternate
	US 19 Alternate highlighted in red
Route information
	Auxiliary route of US 19
	Maintained by FDOT
Length	37.114 mi (59.729 km)
Existed	1951–present
Major junctions
South end	US 92 / SR 687 in St. Petersburg
	US 19 in St. Petersburg; SR 666 in Seminole; SR 686 in Largo; SR 60 in Clearwater; SR 580 in Dunedin; CR 582 in Tarpon Springs;
North end	US 19 in Holiday
Location
Country	United States
State	Florida
Counties	Pinellas, Pasco
Highway system
	United States Numbered Highway System; List; Special; Divided; Florida State Highway System; Interstate; US; State Former; Pre‑1945; ; Toll; Scenic;

U.S. Highway 19 Alternate (US 19 Alt.) is a 37.114-mile (59.729 km) former section of US 19 from St. Petersburg to Holiday, Florida.

Beginning at the intersection of 4th Street North (US 92 and State Road 687 (SR 687) and 5th Avenue North in St. Petersburg, it runs west of US 19 near the Gulf coast passing through the cities of Seminole, Clearwater, Dunedin, and Tarpon Springs before ending at US 19 in Holiday, Pasco County. It is also the unsigned State Road 595 (SR 595) throughout the entire route. It also runs along much of the Pinellas Trail.

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