Phase 1
- Reconfigure and rehabilitate the exit ramp from Northbound I-95 to Westbound SR 273. (This ramp will be closed during all of Phase 1.)
- SR 273 bridge repairs on the Eastbound shoulder behind temporary barrier.
- Replace high mast lighting.
- Start curb and guardrail replacement on ramp from Southbound I-95 to Eastbound SR 273 behind temporary barrier. (This ramp will be closed at night (9 p.m. to 6 a.m.) starting March 15 to March 18, 2021, pending weather.)
- Start curb and guardrail replacement on ramp from Eastbound SR 273 to Northbound I-95 behind temporary barrier.

Phase 2
- Rehabilitate the entrance ramp from Westbound SR 273 to Southbound I-95. (This ramp will be closed during all of Phase 2.)
- Start reconfiguration of the exit ramp from Southbound I-95 to Westbound SR 273.
- Start Westbound SR 273 pavement widening.
- Install new Westbound SR 273 traffic signal at Southbound I-95 exit ramp.
- Complete curb and guardrail replacement on ramp from Southbound I-95 to Eastbound SR 273 behind temporary barrier. (This ramp will be closed for a few consecutive nights (9 p.m. to 6 a.m.) during Phase 2. Dates TBD.)

Phase 3
- Complete reconfiguration of the exit ramp from Southbound I-95 to Westbound SR 273. (This ramp will be closed for a few consecutive nights (9 p.m. to 6 a.m.) during Phase 3. Dates TBD.)
- Resurface ramp from Southbound I-95 to Eastbound SR 273. (This ramp will be closed for just a few nights in Phase 3.)
- Complete Westbound SR 273 pavement widening.
- Complete bridge repairs on the inside lanes and shoulders of both Eastbound and Westbound SR 273.
- Install new stormwater management pond.

Phase 5
Active Phase – May, 2022 (6.5 month estimated duration)
- Pavement patching and resurfacing of SR 273. (Night-time lane closures and restrictions.)
- Resurfacing of multiple interchange ramps. (Night-time lane closures and restrictions.)
- Install overhead sign structures on I-95 and on the exit ramp from Southbound I-95 to Westbound/Eastbound SR273. (Road closures during very restricted night-time hours.)
