Highways and Transportation Authority. Office of Traffic Data Compilation and Analysis. (2010). Transito Promedio Diario [Average Daily Traffic (AADT)] (PDF) (Report) (in Spanish). San Juan, PR: Department of Transportation and Public Works. pp. 28–30. Archived from the original(PDF) on 5 November 2010. Retrieved 9 May 2018.
Highways and Transportation Authority. Office of Traffic Data Compilation and Analysis. (2010). Transito Promedio Diario [Average Daily Traffic (AADT)] (PDF) (Report) (in Spanish). San Juan, PR: Department of Transportation and Public Works. pp. 28–30. Archived from the original(PDF) on 5 November 2010. Retrieved 9 May 2018.