To Texas transportation officials, expanding U.S. 183 is a chance to alleviate congestion south of Austin. But to the Alexander family, it’s a threat to the land they’ve vowed for generations to protect.

Daniel Alexander was enslaved when he secured a promise in 1847 from his owners for 78 acres of land, which now sits west of Austin-Bergstrom International Airport, near an extinct subterranean volcano called Pilot Knob.

Read more from Vincent T. Davis with San Antonio Express-News here.