Florida State Road 686

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State Road 686
SR 686 in red, SR 686A in purple, CR 416 in blue
Route information
Maintained by FDOT
Length	10.823 mi[1] (17.418 km)
Major junctions
West end	US 19 Alt. in Largo
Major intersections	US 19 in Largo I-275 in St. Petersburg
East end	US 92 / SR 687 / SR 694 in St. Petersburg
Location
Country	United States
State	Florida
Counties	Pinellas
Highway system
Florida State Highway System Interstate US State Former Pre‑1945 Toll Scenic
← SR 685 → SR 687

State Road 686 (SR 686) is an east–west route in Pinellas County, running from U.S. Route 19 Alternate (Alt. US 19) in Largo east to an intersection with SR 687 (4th Street) and SR 694 (Gandy Boulevard) in St. Petersburg, Florida. Originally, SR 686 extended further west, ending at Gulf Boulevard in Belleair Beach, next to the shores of the Gulf of Mexico.

State Road 686 begins at Alt US 19, running east as East Bay Drive. It runs through Largo, where it crosses an interchange with US 19 and east of the intersection, SR 686 is known as Roosevelt Boulevard, named for President Franklin Delano Roosevelt. It then travels in a southeastern direction through Clearwater, and intersects SR 688 (Ulmerton Road), and heads east with a concurrency for just under a mile. At the end of the concurrency, SR 686 once again heads southeast, entering St. Petersburg. An interchange with Interstate 275 (I-275) follows, and SR 686 ends at the intersection with SR 687 (4th Street) and SR 694 (Gandy Boulevard).

The entire route is in Pinellas County.

Location	mi[1]	km	Destinations	Notes
Largo	0.000	0.000	US 19 Alt. (Missouri Avenue / Seminole Boulevard / SR 595) / West Bay Drive (CR 416 west) – Clearwater, Seminole, Beaches	Western terminus
	0.789	1.270	Highland Avenue (CR 375 north)
	1.157	1.862	Alternate Keene Road (CR 395 north)
	1.548	2.491	CR 1 (Keene Road / Starkey Road)
	2.567	4.131	Belcher Road (CR 501)
	3.55	5.71	US 19 (SR 55) – Clearwater, Pinellas Park, St. Petersburg	interchange
	4.061	6.536	62nd Street North (CR 565 south)
	4.732	7.615	Avalon Avenue (CR 595 south)
	5.46	8.79	CR 611 (Bayside Bridge / 49th Street) – Clearwater, Pinellas Park	interchange
​	6.079	9.783	St. Petersburg-Clearwater International Airport
Pinellas Park	6.903	11.109	SR 688 west (Ulmerton Road) – Indian Rocks Beach	interchange; west end of SR 688 overlap; no access from SR 688 east to SR 686 west
St. Petersburg	7.867	12.661	SR 688 east (Ulmerton Road) to I-275 north – Tampa	interchange; east end of SR 688 overlap
Pinellas Park–St. Petersburg line	8.503	13.684	28th Street North (CR 683 south)
St. Petersburg	9.31	14.98	I-275 (SR 93) – Tampa, St. Petersburg	Exit 30 (I-275)
	10.272	16.531	CR 803 (Dr. Martin Luther King Jr. Street North) to I-275 north – Tampa, St. Petersburg
	10.823	17.418	US 92 / SR 694 west (Gandy Boulevard / 4th Street North / SR 600 east / SR 687)	Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus

State Road 686A
Location	St. Petersburg
Length	1.439 mi (2.316 km)

State Road 686A (SR 686A) is an under-construction state road in St. Petersburg. The route is being constructed along what is currently Pinellas County Road 296, consisting of 118th Avenue North and the 118th Avenue Connector, as part of the Gateway Expressway.

As of August 2018^[update], the route is 1.439 miles (2.316 km) long, and is planned for 4 miles in length. The route currently runs from the foot of the 118th Avenue Connector westbound offramp (milepost 1.582) to just east of the I-275 on-ramps (milepost 3.021).

County Road 416
Location	Largo
Length	3.00 mi[2] (4.83 km)

County Road 416 extends from Gulf Boulevard in Belleair Beach, east to Clearwater-Largo Road in Largo. The entirety of the route was previously signed as SR 686. From Gulf Boulevard in Belleair Beach, through Belleair Bluffs to Indian Rocks Road, the road is called the Belleair Causeway. In Largo, it becomes West Bay Drive. West Bay Drive is historically Largo's "Main Street".

• Largo Area Historical Society. From Pines and Palmettos—A portrait of Largo. The Donning Company Publishers. Virginia Beach, Va. 2005.
• Largo Bicentennial Book Committee. Largo, then till . . . . Largo Area Historical Society. 1979.
• Pinellas County Staff. Pinellas County GIS Viewer. Archived 2005-11-07 at the Wayback Machine Online May 6, 2006.

• Media related to Florida State Road 686 at Wikimedia Commons