Is this the official GTA 5 Los Santos map?

A purported map and legend for Grand Theft Auto V is circulating online, showing a huge amount of countryside for gamers to explore outside the Los Santos city limits.

How come in GTA V, they didn't just remaster the Los Santos map

Los Santos County, GTA Wiki

Bus Routes - GTA 5 Guide - IGN

GTA 5: peyote plants, other collectibles added to this slick

Los Santos, GTA Wiki

GTA 5 map - download all GTA 5 maps

Real Los Angeles Pause menu Map (IOS Plans Style) + Lore-Friendly

Los Santos - GTA V / Grand Theft Auto 5 - on

GTA 5: How many maps are there in the game

GTA 5 Map HQ Scarf by Raildur

GTA V: Los Santos Map - , The Video Games Wiki

GTA 5 Wants You to Fly a Car Over LA Coliseum - Sports Illustrated

GTA V: Los Santos County Areas Quiz - By Linkins

GTA 5 Map - Interactive maps, Locations & GTA 5 Map updates