That would have to be a pretty elaborate set of PostGIS operations. This is the OSM list, so we deal with OSM data here mainly (even though TIGER is a primary data source for OSM in the US). There's several ways to make OSM data routable. See for example http://project-osrm.org/ or https://wiki.openstreetmap.org/wiki/Gosmore - it depends on what you want to do with it. Same goes for 'managing attributes'.
Best Martijn -- martijn van exel geospatial omnivore 1109 1st ave #2 salt lake city, ut 84103 801-550-5815 http://oegeo.wordpress.com
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