Hello Oscar Molinas. I noticed some validation errors in your recent changesets and wanted to provide some OSM wiki resources that will help avoid these in the future.

First, there are several invalid classification 'key:value' issues in https://www.openstreetmap.org/changeset/137578814  such as  https://www.openstreetmap.org/way/167181553. The value of the highway tag must be prescriptive to the established values on the OSM wiki page for it (https://wiki.openstreetmap.org/wiki/Key:highway#Roads). These must all be both spelled correctly and also be in lower case type or they will not be recognized by JOSM paint styles and OSM routers. Thus ‘ways' tagged 'highway=secundary' will become a problem for both those systems. You can see that the roads with the ’secundary’ value do not show up in OSMcarto layer (https://www.openstreetmap.org/#map=20/-25.768654822444386/-57.24366552998672).

Some of the same ‘way' features in the more recent changes in https://www.openstreetmap.org/changeset/137578814 have also left the intersections between two highways disconnected. You can see that the intersection between 'Mayor Sinforiano Rodríguez' (https://www.openstreetmap.org/way/167181553 & https://www.openstreetmap.org/way/1183769203) and 'Capitán Rogelio Santacruz' (https://www.openstreetmap.org/way/167181551) has three disconnected nodes (https://www.openstreetmap.org/node/10992816378 ;  https://www.openstreetmap.org/node/1785864983 ; https://www.openstreetmap.org/node/10992816375) all stacked in the same location instead of just one main intersection. Disconnected roads will not interact with one another from a network perspective.

The above issues are in Carapeguá. One other important issue is in nearby Paraguari on not specifying bridge sections when adding the bridge=yes tag on https://www.openstreetmap.org/way/814014053. This ‘way' feature is over 900 meters long and aerial imagery does not show the location of it, so it appears to be misplaced on that feature. Bridge features need a layer tag to accompany it (https://wiki.openstreetmap.org/wiki/Key:bridge#Layers) as well as not being intersected with the roads that pass under or over at different levels (see https://wiki.openstreetmap.org/wiki/Key:bridge#How_to_map).

The roundabout modeled in https://www.openstreetmap.org/changeset/137380009 has the features with the junction tag (https://www.openstreetmap.org/way/1163506300) overflow out of the junction and some of the interior feature elements are left without the junction tag (https://www.openstreetmap.org/way/1182292710). (See https://wiki.openstreetmap.org/wiki/Tag:junction=roundabout#Connecting_ways) Roundabouts commonly have one single classification as well (https://wiki.openstreetmap.org/wiki/Tag:junction=roundabout#Selection_of_the_right_highway_tag).

These issues can be spotted with the validator function available in JOSM (https://wiki.openstreetmap.org/wiki/JOSM/Validator ; https://josm.openstreetmap.de/wiki/Help/Dialog/Validator). This is a great way to identify if your tag key:value combinations are valid, if the there are geometry issues, and other common errors that cause issues within the Map. The https://wiki.openstreetmap.org/wiki/JOSM/Guide also has a lot of great resources there that can aid in learning. 

Hope this helps and happy mapping!