Keywords: glacier national park glaciernationalpark going-to-the-sun road goingtothesunroad red bus redbus jammer interpretation tour interpretive tour interpretivetour bus bus tour bustour visitors tunnel vault The Going-to-the-Sun Road passes through two major tunnels in its journey across the Continental Divide. Here, a historic Red Bus (sometimes called a "jammer") takes a group of visitors through the west side tunnel. Photo: David Restivo, NPS. The Going-to-the-Sun Road passes through two major tunnels in its journey across the Continental Divide. Here, a historic Red Bus (sometimes called a "jammer") takes a group of visitors through the west side tunnel. Photo: David Restivo, NPS. |