id	keyword
ajceb-6730	infrastructure
ajceb-6730	sustainability
ajceb-6730	model
ajceb-6730	transportation
ajceb-6730	study
ajceb-6730	projects
ajceb-6730	validity
ajceb-6730	fit
ajceb-6730	performance
ajceb-6730	factors
ajceb-6730	data
ajceb-6730	construction
ajceb-6730	transportation infrastructure
ajceb-6730	reliability
ajceb-6730	south
ajceb-6730	values
ajceb-6730	economics
ajceb-6730	building