Initially Ithought in make solid road on map...

but after i realize that Ushuaia was almost impossible to reach by land until around 1950... so was a perfect place for Argentina make a big prision there, cause escape was almost imposible. They have some historys from people who jailbreak and after they realize they was alone in a very cold place... they bagged to return to prision to survive.

based in this, i make the option to select the small road with dashed line, as indicator of a very very smal road....

But i understand your tip. Thank you.