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The Keisei Higashi-Narita Line (京成東成田線 Keisei Higashi Narita-sen) is a branch line of the Keisei Main Line from Keisei Narita Station to Higashi-Narita Station (the old Narita Airport Station).
The line opened as dual track in 1978 to ensure access for communities on the east side of the Narita Airport (which opened that year) to the greater Tokyo area.
This article incorporates material from the corresponding article in the Japanese Wikipedia
Coordinates: 35°46′28″N 140°22′55″E / 35.77444°N 140.38194°E