Photo shows Andy Byford, senior vice president of the U.S. national passenger rail company Amtrak, speaking in an interview in Washington D.C. on May 13, 2024. (Kyodo)

WASHINGTON - A planned high-speed railway service in Texas, using Japan's shinkansen bullet train technology, likely will not be completed until at least the early 2030s, a senior executive of U.S. railway operator Amtrak said recently.