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Project Description

  A NEW NAME: The US 666 Corridor was recently changed to US 491 by the American Association of State Highway and Transportation Officials (AASHTO). The New Mexico Department of Transportation (NMDOT) filed an application for the name change and received concurrence from Colorado Department of Transportation and Utah Department of Transportation to change the designation of the highway to US 491.

US 491 is a major north-south route that begins at Interstate 40 in Gallup and ends at US 191 in Monticello, Utah. In 2003, the New Mexico State Legislature passed a House Memorial Bill to name the portion within NM State limits "John Pinto Highway."

Click on the map to see a more detailed view of the corridor.
  The NMDOT is in the process of evaluating the corridor of US 491 which is located in the northwest corner of New Mexico between Gallup and Shiprock. This NMDOT project, designated FLH-666-1(49)17, CN 2357, begins near milepost 15 north of Gallup and ends near milepost 85 at the existing four-lane section south of Shiprock. The project, located in both McKinley and San Juan Counties, is included in both Districts 5 and 6 of the NMDOT. Click on the map of New Mexico to see the project location.

Within the project limits, US 491 passes through the communities of Tohatchi, Buffalo Springs, Naschitti, Sheep Springs, and Newcomb. US 491 is a major transportation corridor connecting Interstate 40 and the Four Corners area, and is also one of the primary routes for traffic through the Navajo Indian Reservation. This highway serves as a primary link in the state's transportation system for moving commercial goods, conveying traffic to tourist attractions, and providing access to and from local communities in the area.

Navajo Department of Transportation
Gene Martinez
P.O. Box 4620
Windowrock, AZ 86515-4620
(920) 810-8525

  NM Department of Transportation
Ricardo Roybal
P.O. Box 1149, Rm 224
Santa Fe, NM 87504-1149
(505) 827-5122

Marron & Associates, Inc.
Eric Johnson
7511 4th Street, NW
Albuquerque, NM 87107-6526
(505) 898-8848
  Bohannan Huston, Inc.
Albert M. Thomas, P.E.
7500 Jefferson Street, NE Courtyard I
Albuquerque, NM 87109
(505) 823-1000

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