Southern Rocky Mountain Front

The Southern Rocky Mountain Front is a megaregion of the United States, otherwise known as a megalopolis, with population centers consisting mainly of the Front Range Urban Corridor and the Albuquerque–Santa Fe–Las Vegas combined statistical area, located along the eastern and southern face of the Southern Rocky Mountains in the U.S. states of Wyoming, Colorado, and New Mexico. The region comprises the southern portion of the Rocky Mountain Front geographic region of Canada and the United States, extending into the Southwestern United States. The Southern Rocky Mountain Front had a population of 5,467,633 according to the 2010 United States Census. The region is one of the fastest growing regions in the United States and its population is projected to grow by 87% to 10,222,370 by 2050. In 2005 the GDP of the region was $229,202,000,000 making up 2% of the United States GDP.
Extent.
The Southern Rocky Mountain Front stretches from Albuquerque, New Mexico, north along Interstate Highway 25 to Cheyenne, Wyoming, and includes the Denver-Aurora-Lakewood, CO Metropolitan Statistical Area, the Colorado Springs, CO Metropolitan Statistical Area, the Boulder, CO Metropolitan Statistical Area, the Fort Collins, CO Metropolitan Statistical Area, the Greeley, CO Metropolitan Statistical Area, the Pueblo, CO Metropolitan Statistical Area, the Cheyenne, WY Metropolitan Statistical Area, the Cañon City, CO Micropolitan Statistical Area, the Albuquerque, NM Metropolitan Statistical Area, and the Santa Fe, NM Metropolitan Statistical Area. The region comprises three primary subregions: the South Central Colorado Urban Area, the North Central Colorado Urban Area, and the Cheyenne Metropolitan Area.
The influence of the region extends well beyond its defined boundaries. The Colorado Eastern Plains, Nebraska Panhandle and Albany County, Wyoming, among other areas, are culturally and economically tied to the region, though they are not considered to be a part of it.
Transportation.
Rail.
The region was established, along with ten other megaregions throughout the United States, by America 2050 in response to President Barack Obama’s efforts to improve the country’s infrastructure. The megaregions were initially identified by America 2050 as areas that should have highspeed rail by 2050. According to America 2050’s four phase plan the Front Range would have highspeed rail on Phase 3 of the plan and the line would stretch from Denver, Colorado to Albuquerque, New Mexico.
Interstates and highways.
Interstate 25 runs through the Southern Rocky Mountain Front north from Albuquerque, NM to Cheyenne, WY. Major east and west routes running through the region are I-40 through Albuquerque, I-70 through Denver, and I-80 through Cheyenne. 
Airports.
The region has six airports offering passenger services with two of the airports, Albuquerque International Sunport and Denver International Airport, able to handle international flights.