Florida State Road 687

State Road 687
State Road 687
4th Street
	Map SR 687 highlighted in red
Route information
	Maintained by FDOT
Length	9.446 mi (15.202 km)
Existed	1945–present
Major junctions
South end	I-175 / SR 594 in St. Petersburg
	US 92 in St. Petersburg
North end	I-275 in St. Petersburg
Location
Country	United States
State	Florida
County	Pinellas
Highway system
	Florida State Highway System; Interstate; US; State Former; Pre‑1945; ; Toll; Scenic;

State Road 687 (SR 687) is a north–south state road located solely within the borders of St. Petersburg, Florida. The road runs from Interstate 175 north to Interstate 375 along both 3rd Street and 4th Street. 3rd Street in a one-way route traveling northbound and 4th street is a one-way route traveling southbound. The intersections included on SR 687 on both 3rd Street and 4th Street extend between 5th Ave S and 5th Ave N in downtown St. Petersburg. North of I-375, the route runs partly concurrent with US 92 until the intersection with SR 693/SR 686/unsigned SR 600 intersection in northeast St. Petersburg and continues along 4th Street until terminating with northbound only Interstate 275 at Exit 32.

Major intersections

The entire route is in St. Petersburg, Pinellas County.

mi^[1]	km	Destinations	Notes
0.000	0.000	SR 594 east (Dali Boulevard South / 5th Avenue South)
0.018	0.029	I-175 west (South Bay Drive / SR 594) to I-275 – Tampa, Bradenton	northbound access is via 4th Avenue South
0.377	0.607	CR 150 west (Central Avenue)
0.895	1.440	US 19 Alt. north (5th Avenue North / SR 595) to I-275 / I-375	south end of US 92 overlap
see US 92 (mile 0.000-5.998)
6.893	11.093	US 92 east / SR 694 west (Gandy Boulevard / SR 600 east) / SR 686 west (Roosevelt Boulevard) to I-275 south – Pinellas Park, Tampa, Dog Track	north end of US 92 overlap
9.446	15.202	I-275 north (SR 93)	Exit 32 southbound (I-275)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus