ordinary national road; non-expressway national road
Refers to national highways in Japan that are not expressways. Often used in contrast with 高速道路 (expressways).
Ordinary national roads have lower speed limits than expressways.
This ordinary national road has heavy traffic.
高速道路 is an expressway with controlled access and higher speed limits, while 一般国道 is a standard national highway open to all traffic.
Compound of 一般 (general, ordinary) and 国道 (national road).