From Lafayette / Hwy 90 (most common route, 10 minutes)

• Take US-90 / Ambassador Caffery Parkway south toward Broussard.
• Continue on Ambassador Caffery Parkway for about ¾ mile past the Highway 90 interchange.
• Turn right onto the entrance road leading into St. Julien (look for community signage and model homes).
• The community is conveniently located just off the main parkway.

From Youngsville / South (10–15 minutes)

• Take LA-89 or Youngsville Highway north.
• Merge onto Ambassador Caffery Parkway / US-90.
• Travel approximately ¾ mile on Ambassador Caffery and turn right into St. Julien.

From Interstate 49 / North Lafayette (20–25 minutes)

• Take I-49 South to Lafayette.
• Exit onto US-90 East / Ambassador Caffery Parkway.
• Continue south on Ambassador Caffery for about ¾ mile past major intersections.
• Turn left into the St. Julien community entrance.
  

From New Iberia / East (20–30 minutes)

• Take US-90 West toward Broussard / Lafayette.
• Stay on Ambassador Caffery Parkway through Broussard.
• After passing the Hwy 90 area, continue ~¾ mile and turn left into St. Julien.