There are two sections of County Road 427 in Central Florida. The southern branch follows Maitland Avenue 1.328 miles north from U.S. 17/92 at Downtown Maitland to the Seminole County line, and another 1.571 miles north to SR 436 (Semoran Boulevard). This section is mostly unmarked on the Orange County portion. 0.478 miles along SR 436 separate the two legs of CR 427 along SR 436.

North from Semoran Boulevard, CR 427 travels another 10.435 miles, mostly paralleling U.S. 17 & 92. Following Ronald Reagan Boulevard, a four-lane divided parkway, CR 427 passes through Altamonte Springs and Longwood to southern reaches of Sanford. Ronald Reagan Boulevard transitions to Sanford Avenue north of the Central Florida GreeneWay (SR 417). CR 427 ends there, with CR 425 taking over northward 1.62 miles to SR 46 (East 25th Street) in Sanford.


County Road 427 - Ronald Reagan Boulevard north
Ronald Reagan Boulevard angles northeast from Longwood Hills Road by Lake Ruth at this reassurance marker. Photo taken 09/30/17.
Longwood Lake Mary Road branches north from CR 427 (Ronald Reagan Boulevard) to Lake Mary Boulevard in the city of Lake Mary. The Florida National Scenic Trail / Cross Seminole Trail accompanies the road north to Greenway Boulevard west. Photo taken 09/30/17.
Ronald Reagan Boulevard crosses a CSX Railroad line at-grade and next intersects General Hutchinson Parkway east through Spring Hammock Preserve to U.S. 17/92. Photo taken 09/30/17.
CR 427 encircles the northern boundary of Spring Hammock Preserve from General Hutchinson Parkway to CR 15 (Country Club Road). Big Tree Crossing business park lines the west side of the parkway on the ensuing stretch. Photo taken 09/30/17.
The Seminole County branch of CR 15 stems north from CR 427 (Ronald Reagan Boulevard) along Country Club Road through central Lake Mary. Photo taken 09/30/17.
County Road 15 navigates along Country Club Road, Upsala Road and Monroe Road among other local roadways from Lake Mary through western reaches of Sanford. The route concludes at Lake Monroe, where I-4 and U.S. 17/92 come together beside the St. Johns River. Photo taken 09/30/17.
County Road 427 - Ronald Reagan Boulevard south
The first shield for County Road 427 follows the transition from Sanford Avenue (CR 425) south onto Ronald Reagan Boulevard. Photo taken 03/21/08.
Ronald Reagan Boulevard quickly intersects Lake Mary Boulevard beyond Sanford Avenue. The east-west arterial stretches across most of Sanford, linking the city with Lake Mary and Orlando-Sanford International Airport (SFB). Photo taken 03/21/08.
A split diamond interchange joins the tolled Seminole Expressway with both CR 427 (Ronald Reagan Boulevard) and adjacent Lake Mary Boulevard. Photo taken 03/21/08.
Service roads connect the two arterials with the respective entrance ramps for SR 417 north to I-4 and south to Orlando. Photo taken 03/21/08.
The Seminole Expressway (SR 417) opened between SR 434 and U.S. 17/92, including the exchange with CR 427 (Ronald Reagan Boulevard) in 1994. Photo taken 03/21/08.
Ronald Reagan Boulevard winds southwest through areas of unincorporated Seminole County and converges with U.S. 17 & 92 three miles from SR 417. Photo taken 03/21/08.
CR 427 makes an S-curve through the intersection with U.S. 17 & 92, continuing westward along a portion of the Lake Mary city line ahead. Photo taken 03/21/08.
Silkwood Court links the north end of SR 419 at adjacent U.S. 17 & 92 with CR 427 (Ronald Reagan Boulevard) at the entrance to the Lake Mary Woods subdivision. Photo taken 03/21/08.
Reassurance marker posted between Silkwood Court and Sunset Drive by the Lake Mary city limits. Photo taken 03/21/08.
Ronald Reagan Boulevard intersects the south end of Seminole County Road 15 (Country Club Road) by the Hampton Park subdivision. CR 15 travels 8.0 miles north through Lake Mary and west Sanford to U.S. 17/92 at Lake Monroe. Photo taken 03/21/08.
Continuing west from CR 15, CR 427 navigates through a pair of S-curves along side Spring Hammock Preserive. Photo taken 03/21/08.
General Hutchinson Parkway cuts across Spring Hammock Preserve, connecting U.S. 17 & 92 near the city of Winter Springs with Ronald Reagan Boulevard just ahead of Longwood Lake Mary Road. Photo taken 03/21/08.
Heading south from Longwood Lake Mary Road, CR 427 (Ronald Reagan Boulevard) enters the city of Longwood. Photo taken 03/06/08.
Longwood Hills Road provides a through route west from Ronald Reagan Boulevard to Lake Emma Road north to Lake Mary and E.E. Willliamson Road across I-4. Photo taken 03/06/08.
CR 427 reassurance marker posted south of Longwood Hills Road. Photo taken 03/06/08.
Progressing south through central Longwood, Ronald Reagan Boulevard intersects Church Avenue just west of the SunRail - Longwood station. Photo taken 03/06/08.
Four blocks south from Church Avenue, CR 427 (Ronald Reagan Boulevard) intersects SR 434. Photo taken 03/06/08.
SR 434 comprises a major arterial route from Longwood west to I-4 and Altamonte Springs and east to Downtown Winter Garden. The state route encircles the Orlando metro area southwest to Forest City and southeast to the University of Central Florida (UCF). Photo taken 03/06/08.
Ronald Reagan Boulevard heads south from Florida 434, paralleling SunRail to the east by an area of warehouses and Lyman High School. Photo taken 03/06/08.
Dog Track Road is an arterial route connecting Ronald Reagan Boulevard with U.S. 17/92 at Seminola Boulevard south into Casselberry. The road derives its name from Sanford Orlando Kennel Club, located nearby. Photo taken 03/06/08.
North Street runs west along the Longwood city line to unincorporated Sanlando Springs. Photo taken 03/06/08.
Shifting westward again, CR 427 leaves the city of Longwood and crosses paths with SunRail again over the next half mile. Photo taken 03/06/08.
Plumosa Avenue extends west from Anchor Road north and the city of Casselberry to meet CR 427 (Ronald Reagan Boulevard) opposite Magnolia Street from Altamonte Springs. Photo taken 03/06/08.
County Road 427 crosses into the city of Altamonte Springs just ahead of Florida 436 (Altamonte Drive). Photo taken 03/06/08.
The CR 427 portion of Ronald Reagan Boulevard concludes, as the route dog legs west alongside Florida 436 to Maitland Avenue south. Photo taken 03/06/08.
Known as Altamonte Drive through Altamonte Springs, and Semoran Boulevard elsewhere, SR 436 is a heavily traveled arterial route encircling Orlando west to Apopka and south from Casselberry to Orlando International Airport (MCO). Photo taken 03/06/08.
County Road 427 - Maitland Avenue south
Confirming marker for CR 427 (Maitland Avenue) south of the separation with SR 436 (Altamonte Drive) in Altamonte Springs. Photo taken 04/26/15.
Maitland Avenue intersects Ballard Street east to South Street and Prairie Lake and Oak Haven Drive west to the Oak Harbour neighborhood at this traffic light. Photo taken 03/06/08.
Spring Lake Road and O'Brien Road east provide a through route from Maitland Avenue (CR 427) to U.S. 17 & 92 near Lake of the Woods. Photo taken 03/06/08.
Oranole Road stems west along the Altamonte Springs city line to the Glen Arden Heights neighborhood. The road dog legs south and west to Wymore Road across I-4. Photo taken 03/06/08.
Crossing into Orange County and the city of Maitland, CR 427 (Maitland Avenue) circumvents Lake Faith ahead of Florida 414 (Maitland Boulevard)> Photo taken 03/06/08.
Maitland Avenue south intersects Marion Way beyond Florida 414 (Maitland Boulevard). Photo taken 03/06/08.
Horatio Avenue extends west from U.S. 17 & 92 (Orlando Avenue) to a signal with Maitland Avenue and Lake Sybelia. Horatio Avenue east from Orlando Avenue expands into a four-lane parkway en route to south Casselberry. Photo taken 03/06/08.
County Road 427 scenes
Longwood Hills Road navigates around an S-curve leading east to County Road 427 (Ronald Reagan Boulevard) in the city of Longwood. Photo taken 09/30/17.
CR 427 (Ronald Reagan Boulevard) heads north around Spring Hammock Preserve to south Lake Mary and south through central Longwood from Longwood Hills Road. Shomate Drive ties into the signalized intersection from the Lake Ruth South subdivision to the east. Photo taken 09/30/17.
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Lake Mary Boulevard connects the passenger terminal of Orlando Sanford International Airport (SFB) with points west and south via connections with CR 427 (Ronald Reagan Boulevard) and SR 417 (Seminole Expressway). Photos taken 08/25/18.
Lake Mary Boulevard intersects Sanford Avenue just ahead of CR 427 (Ronald Reagan Boulevard). Sanford Avenue was realigned onto Ronald Reagan Boulevard, so the north-south street is discontinuous here. Photo taken 08/25/18.
A split diamond interchange joins the Seminole Expressway with CR 427 (Ronald Reagan Boulevard) and Lake Mary Boulevard west of their junction. Photo taken 08/25/18.
County Road 427 north transitions into CR 425 nearby along Sanford Avenue north into central Sanford. Ronald Reagan Boulevard leads CR 427 southwest from Lake Mary Boulevard toward Longwood. Photo taken 08/25/18.



Photo Credits:

03/06/08, 03/21/08, 04/26/15, 09/30/17, 08/25/18 by AARoads

Connect with:
U.S. 17
U.S. 92
Florida 414 - Apopka Expressway / Maitland Boulevard
Florida 417 - Central Florida GreeneWay / Seminole Expressway
Florida 434
Florida 436 - Semoran Boulevard
Florida 15 / County Road 15

Page Updated 10-26-2018.