With the recent opening of Super Baru I've been seeing more vehicles turning left on to Calle 4A from the main street to go over there.
It's actually not permitted to turn left off the main street at that intersection in front of the Park when coming from either direction, and sooner or later it will be enforced.
Although this type of signage is not customary in North America, It's clearly marked on the pavement at the approach that there are only two options, either driving straight a