Accident near Fritz Cove Road on Monday morning resulted in temporary closure of highway.
Armando Sanchez, 38, struck during early morning hours of June 1; JPD notified of death Tuesday.
21-year-old Juneau resident medivaced to Anchorage, online fundraising effort underway.
Man cited for reckless driving and insurance violation, released at scene, according to JPD.
Victims in stable condition, initial investigation shows driver not at-fault, according to police.
Two people were flown to Seattle.