superelevated
/ˌsuːpəˈɛlɪveɪtɪd/ /ˌsjuːpəˈɛlɪveɪtɪd/adjective
1Elevated above what is expected or usual; extremely or excessively elevated.
2 Engineering. Of a bend on a road, railway track, etc.: elevated on one side; banked.
Origin
Mid 17th century; earliest use found in Owen Felltham (?1602–1668), essayist and poet. From super- + elevated.