HONEY-LIME Aioli: Combine all ingredients. Refrigerate until ready to use.
CRAB Salad: Mix lime juice and mustard in large bowl until well blended. Toss with remaining salad ingredients. Refrigerate until ready to use.
FOR each serving: Place 1 avocado slice on bottom half of each of 2 rolls; cover each with 1/4 cup Crab Salad. Spread about 2 tsp. Honey-Lime Aioli onto cut side of top half of each roll; place on sandwich.