Florida State Road 436

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State Road 436

Semoran Boulevard
East Altamonte Drive
Route information
Maintained by FDOT
Length25.532 mi[1] (41.090 km)
Major junctions
South endOrlando International Airport
Major intersections
West end US 441 in Apopka
CountryUnited States
CountiesOrange, Seminole
Highway system
SR 435 SR 437

State Road 436 (SR 436), known as Semoran Boulevard for most of its length and Altamonte Drive in Altamonte Springs, is a north-south road (east-west after US 17/92) in the Orlando area running from US 441 in Apopka to the Beachline Expressway near Orlando International Airport. Constructed in the late 1960s, the road passes through Seminole County, Florida and Orange County, Florida. Because of this, the common name for SR 436 is a portmanteau of the names of the two counties: "Sem" and "oran", hence "Semoran Boulevard." The common pronunciation of "Semoran" resembles that term of Cimarron.

Route description

SR 436 is signed north-south south of Seminole County, while west of the county, it is signed east-west. The road without the state road number starts at SR 417. Then starting at the intersection with SR 528 at the Orlando International Airport, SR 436 runs north and intersects with SR 15 and SR 552. It then intersects Florida State Road 408 and then intersects with SR 50. Florida 436 then turns to the west after the interchange with US 17 and US 92 (U.S.17-92). This intersection was considered to be one of the deadliest intersections in the nation with an average of three traffic accidents per day. Heading west, the road enters Altamonte Springs, Florida and has interchange with I-4 It then intersects SR 434 still heading west. The road then has intersections at Wekiva Springs Road and Sheeler Avenue before ending at US 441.


Construction began in October 2011 on a $24.5 million project to build a flyover ramp from eastbound SR 436 to Red Bug Lake Road in Casselberry in order to reduce congestion from motorists having to wait at a traffic light to turn onto Red Bug Lake Road. On February 1, 2014, the flyover ramp from eastbound SR 436 to Red Bug Lake Road opened to traffic. In late 2013, the Florida Department of Transportation began an $80 million project to construct a flyover interchange with US 17-92 traveling over SR 436 in Casselberry.[2] This interchange was built to alleviate congestion at one of the busiest intersections in Florida. The flyover interchange was completed on April 6, 2015, with a ribbon-cutting ceremony held.[3]

Major intersections

OrangeApopka0.0000.000 US 441Interchange; access to US 441 south via local roads; road is unsigned SR 500
SeminoleAltamonte Springs4.9397.949 SR 434
6.8511.02 I-4 – Orlando, Daytona BeachExit 92 on I-4 (SR 400)
CR 427 south (Maitland Avenue)
Western terminus of CR 427 concurrency
CR 427 north (Ronald Reagan Boulevard)
Eastern terminus of CR 427 concurrency
Casselberry9.79915.770 US 17 / US 92 – Orlando, SanfordInterchange; road is unsigned SR 15 / SR 600
11.29118.171Red Bug Lake Road eastIntersection with eastbound flyover ramp
Orange14.34923.092 SR 426 (Aloma Avenue) – Winter Park, Goldenrod
17.6628.42 SR 50 (Colonial Drive)Interchange
SR 408 west – Downtown Orlando
Exit 14 on SR 408 (East-West Expressway)

Lake Underhill Road (CR 526) to SR 408 east – Titusville
19.97832.151 SR 552 (Curry Ford Road)
22.93936.917 SR 15 (Hoffner Avenue)

SR 528 west to I-4 / Florida's Turnpike / International Drive – Tampa
Exit 11 on SR 528 (Beachline Expressway)

SR 528 east to SR 417 – Cocoa, Kennedy Space Center, Port Canaveral
25.53241.090 Orlando International AirportContinues south as Jeff Fuqua Drive
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b FDOT straight line diagrams Archived March 6, 2014, at the Wayback Machine, accessed December 2013
  2. ^ Comas, Martin E. (January 30, 2014). "Casselberry's State Road 436 and Red Bug Lake Road flyover set to open Saturday". Orlando Sentinel. Retrieved November 14, 2018.
  3. ^ Chavez, Crystal (April 6, 2015). "Ribbon Cutting Monday For New US 17-92 Flyover". WMFE-FM. Retrieved November 14, 2018.

External links