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SR 686 in red, SR 686A in green, CR 416 in blue | ||||
| Route information | ||||
| Maintained by FDOT | ||||
| Length | 10.823 mi (17.418 km) | |||
| Major junctions | ||||
| West end | ||||
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| East end | ||||
| Location | ||||
| Country | United States | |||
| State | Florida | |||
| Counties | Pinellas | |||
| Highway system | ||||
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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.
SR 686 begins at US 19 Alt, 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, intersecting CR 611 south of the Bayside Bridge and on the west side of St. Pete–Clearwater International Airport. Here, SR 686A begins and runs raised in the median of SR 686 until it intersects SR 688 (Ulmerton Road). SR 686 then heads east with a concurrency with SR 688 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 | km | Destinations | Notes | |
|---|---|---|---|---|---|
| Largo | 0.000 | 0.000 | Western terminus | ||
| 0.789 | 1.270 | ||||
| 1.157 | 1.862 | Alternate Keene Road (CR 395 north) | |||
| 1.548 | 2.491 | ||||
| 2.567 | 4.131 | Belcher Road (CR 501) | |||
| 3.55 | 5.71 | Interchange | |||
| 4.061 | 6.536 | 62nd Street North (CR 565 south) | |||
| 4.732 | 7.615 | Avalon Avenue (CR 595 south) | |||
| 5.46 | 8.79 | Interchange | |||
| | 6.079 | 9.783 | St. Pete–Clearwater International Airport | ||
| Pinellas Park | 6.903 | 11.109 | Interchange; west end of SR 688 overlap; no access from SR 688 east to SR 686 west | ||
| St. Petersburg | 7.867 | 12.661 | Interchange; east end of SR 688 overlap | ||
| Pinellas Park–St. Petersburg line | 8.503 | 13.684 | 28th Street North (CR 682 south) | ||
| St. Petersburg | 9.31 | 14.98 | Exit 30 (I-275) | ||
| 10.272 | 16.531 | ||||
| 10.823 | 17.418 | Eastern terminus | |||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
| |||||
| Location | St. Petersburg |
|---|---|
| Length | 2.8 mi (4.5 km) |
State Road 686A (SR 686A) is a controlled-access toll road in St. Petersburg. The route begins at CR 611 just south of the Bayside Bridge in Largo, along SR 686 (Roosevelt Boulevard), before branching off until terminating at SR 690, another controlled-access toll road, where it runs along CR 296 (118th Avenue) in Pinellas Park. SR 686A and SR 690 both constitute the Gateway Expressway.
SR 686A is 2.8 miles (4.5 km) long, while SR 690 is 3.2 miles (5.1 km) long. SR 690 runs from US 19 in Pinellas Park east along CR 296 before terminating at I-275 in St. Petersburg.
| Location | Largo |
|---|---|
| Length | 3.47 mi (5.58 km) |


County Road 416 extends from Gulf Boulevard in Belleair Beach, east to Seminole Boulevard/Missouri Avenue 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".
{{cite web}}: CS1 maint: archived copy as title (link) FDOT Federal-Aid Report