rittaidōroseidodattara
1. If/when the three-dimensional road system existed; If/when a three-dimensional road system were in place.
Noun
1. If/when the three-dimensional road system existed; If/when a three-dimensional road system were in place.
1. if it's the case
1. highway; freeway
1. three-dimensional
1. precision; accuracy
1. high-speed; rapid
2. highway; freeway
1. fee-charging; paid
2. toll road
1. solid body; three-dimensional object
2. multi-storey car park
1. system; institution
1. road; highway