이에 따라 서해안고속도로 건설이 논의된 것은 1980년 초반이었으나 본격적으로 거론되어 구체화된 것은 1987년부터이다.
Accordingly, the construction of the West Coast Expressway was discussed in the early 1980s, but it was discussed in earnest and materialized from 1987.