SAN ANTONIO — The yearslong Loop 1604 North Expansion Project will hit another checkpoint Thursday when the third of eight planned flyovers at the Loop 1604/Interstate 10 interchange opens for business at 5 p.m.

At 128 feet, the flyover will be the tallest constructed so far in San Antonio, according to Texas transportation officials. All eight are expected to be open by the end of 2026.

Of course, that major interchange is just one component of the expansion project, a $1.4 billion effort to turn a 23-mile stretch of Loop 1604 on the north side into a 10-lane expressway featuring HOV lanes in both directions. It's also creating more accessibility for bicyclists and pedestrians on highway frontage roads; adding direct connectors; and "replacing the signlalized frontage road intersection

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