|East Bay Drive, Roosevelt Boulevard|
|Maintained by FDOT|
|Length:||10.823 mi (17.418 km)|
US 19 Alt. in Largo
|East end:||US 92 / SR 687 / SR 694 in St. Petersburg|
State Road 686 (SR 686) is an east–west route in Pinellas County, running from Alt US 19 in Largo east to an intersection with State Road 687 (4th Street) and State Road 694 (Gandy Boulevard) in St. Petersburg, Florida.
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 State Road 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 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.
US 19 Alt. (Missouri Avenue / Seminole Boulevard / SR 595) / West Bay Drive (CR 416 west) – Clearwater, Seminole, Beaches
|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|
|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
|Length:||3.00 mi (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. Online May 6, 2006.