When did the railway line servicing Exeter and a suburb 14 km north-west of Adelaide close?
Semaphore railway line: Semaphore railway line was a railway line in the Australian state of South Australia located in the north-west of Adelaide servicing the suburbs of Semaphore and Exeter. Semaphore railway line:  It had two stations: Semaphore and Exeter. Semaphore railway line:  The line opened in 1878 and closed in 1978. Semaphore, South Australia: Semaphore is a suburb in the Australian state of South Australia located in north-west of Adelaide on the Gulf St Vincent coastline of the LeFevre Peninsula about 14 km from the Adelaide city centre.
1978