Mortenson-McCarthy

When it is complete next summer, the $1.9 billion Allegiant Stadium in Las Vegas will showcase some of the most high-impact, fan-centered amenities ever found in an NFL stadium.

The soon-to-be home of Raiders football will sport a sleek black glass exterior, retractable natural turf field, premium lounges and four rolling doors framing a 90-foot-tall, 200-foot-wide view of the Las Vegas Strip…