Oenothera

European route E 577 is a secondary E-road found in northwestern Romania.

•  Romania (on shared signage DN1B)
  • Ploiești: E60
  • Buzău: E85

The designation E 577 was previously used on a route from Poltava to Slobozia. That route is now E584.

• UN Economic Commission for Europe: Overall Map of E-road Network (2007)