What type of joint construction can realistically be achieved under certain conditions?

The correct answer is rooted in the construction techniques applicable to roadway joints, particularly in concrete pavement. Transverse joints are typically oriented perpendicular to the direction of pavement placement. However, under certain conditions, it is technically feasible to construct transverse joints that are rolled longitudinally. This method can be employed for reasons such as improving the pavement's structural integrity or optimizing the drainage of water, which can be critical in avoiding future maintenance issues.

This rolling configuration may be advantageous in specific scenarios where the pavement's performance is enhanced or when aligning with particular specifications or environmental factors is necessary. When considering the various options given, the abilities to construct joints in alternative orientations, like longitudinally rolled transverse joints, demonstrate an understanding of advanced engineering techniques and adaptability in construction practices.