Florida State Road 21
Florida State Road 21 along Blanding Boulevard through the Jacksonville suburbs of Middleburg and Orange Park has undergone significant growth since the mid 2000s. Continued expansion of suburban areas in Clay County further adds traffic and development along the major arterial route.
SR 21 (Blanding Boulevard) north at CR 218 in Middleburg prior to 2020-22 widening. 05/27/17
05/27/17
A wooded area at the northeast corner of SR 21 and CR 218 was cleared to accommodate a stormwater pond added during widening of Blanding Boulevard through Middleburg. 05/27/17
05/27/17
Span wire traffic lights at Blanding Boulevard and Everett Avenue (CR 220) when SR 21 was only four lanes wide. 12/14/07
Blanding Boulevard north at Palmetto Street south. 12/14/07
The intersection with Long Bay Road (CR 220A) was realigned to meet Blanding Boulevard at a new traffic light. 12/14/07
CR 220 originally crossed Blanding Boulevard at a signal intersection west of Middleburg High School. The route was realigned into separate intersections to address the acute angle at which the county road crossed SR 21. 12/14/07
06/13/08
06/13/08
SR 21 (Blanding Boulevard) north at the location where the interchange with the First Coast Expressway was built. 06/13/08
Trailblazers for I-10 originally referenced Brannan Field Road north from SR 21. Brannan Field Road was the temporary alignment of SR 23 until the First Coast Expressway was completed. 06/13/08
Blanding Boulevard north at Brannan Field Road north and Baxley Road (CR 220A) south. 06/13/08
Blanding Boulevard north at Old Jennings Road (CR 220) west and Henley Road, which was referenced as CR 209, south. 06/13/08
SR 21 (Blanding Boulevard) south of SR 128 (San Juan Avenue) at the Lakeshore neighborhood in Jacksonville. 03/26/20
SR 21 south at the end of SR 111 (Cassat Avenue) at Lakeshore in Jacksonville. 03/26/20
03/26/20
Blanding Boulevard south at Argyle Forest Boulevard west in Jacksonville. 07/04/06
SR 21 south ahead of Wells Road in Orange Park. 07/04/06
Entering Clay County on Blanding Boulevard southbound. 07/04/06
07/04/06
07/04/06
SR 21 south of Brannan Field Road in Middleburg. 10/16/22
SR 21 (Blanding Boulevard) south at the temporary end of SR 23 (First Coast Expressway). 10/16/22
The northbound beginning of SR 23 until August 9, 2025. 10/16/22
The overpass for SR 23 north was built in conjunction with the loop ramp from SR 21 northbound. 10/16/22
Construction of the southbound span for SR 23 across Blanding Boulevard took place from 2019 onward. 10/16/22
SR 23 (First Coast Expressway) south ahead of the temporary end of the toll road at SR 21 (Blanding Boulevard). 07/28/18
Expressway end sign for SR 23 south at Blanding Boulevard. 07/28/18
All traffic on SR 23 south defaulted onto the off-ramp at Exit 31 for Blanding Boulevard. 07/28/18
The turn for SR 21 north to Orange Park was previously assigned as Left Exit 31. 07/28/18
The entire exit ramp from SR 23 south to Blanding Boulevard was realigned westward as the new roadway for the First Coast Expressway southbound was built in its place. 07/28/18
SR 21 south at the split intersections with CR 220 created during 2021/22 widening of Blanding Boulevard. 10/16/22
10/16/22
The grassy right of way on the north side of the intersection with CR 220 west represents where the original roadway for CR 220 crossed Blanding Boulevard. 10/16/22
10/16/22
10/16/22
Blanding Boulevard south at Long Bay Road during expansion of SR 21 to six lanes. 10/16/22
10/16/22
10/16/22
Photos by AARoads
Page Updated Wednesday August 13, 2025.