Maglev (magnetic levitation) is significantly more expensive to build but can be cheaper to maintain over time. As of 2026, the construction cost for high-speed maglev lines is estimated at $60 million to $100 million per kilometer, which is roughly 2 to 3 times the cost of traditional high-speed rail (which averages $25M–$40M/km). The high price is due to the need for a specialized, high-precision concrete "guideway" and complex electromagnetic systems that cannot share tracks with existing trains. However, because maglev has no physical contact between the train and the track, it suffers from almost zero mechanical wear, potentially reducing long-term maintenance costs by up to 50% compared to traditional "wheel-on-rail" systems. For most nations, the massive initial capital remains the primary barrier to replacing conventional trains with maglev technology.