A transcontinental journey or route goes from one side of a continent to the other. In American English, transcontinental usually means from one side of the United States to the other.
...in mid-nineteenth-century America, before the transcontinental railroad was built.
transcontinental in British English
(ˌtrænzkɒntɪˈnɛntəl)
adjective
1.
crossing a continent
2.
on or from the far side of a continent
Derived forms
transcontinentally (ˌtranscontiˈnentally)
adverb
transcontinental in American English
(ˌtrænskɑntəˈnɛntəl; ˌ trænzkɑntənɛntəl)
US
adjective
1.
that crosses a (or the) continent
2.
on the other side of a (or the) continent
Derived forms
transcontinentally (ˌtranscontiˈnentally)
adverb
Examples of 'transcontinental' in a sentence
transcontinental
Once at her desk, Kim Carlyle's number was easy to obtain, and, although it was 5: 30 A. M. in New York, she made the transcontinental call.
Bill Adler and Mel Watkins WHO KILLED TIFFANY JONES? (2002)