What is the traveler's personal interest in Vietnam's new railway project?

The traveler describes themselves as someone passionate about traveling with specific goals to explore Vietnam using various transportation methods, particularly motorbike and train. They express personal enthusiasm about the new railway line being constructed, stating "When this new railway line is completed, I'll give it a try." This indicates their genuine interest in experiencing the railway firsthand as part of their Vietnamese travel adventures, adding a personal dimension to the infrastructure project beyond its economic benefits.