The US State Department periodically updates its travel warnings and alerts to ensure travelers receive current information about safety concerns. Published on November 20th, the State Department's latest warning for Mexico makes few changes to the prior warning which was issued on February 8, 2012, but is more specific about which areas do not present particular safety concerns, and which are best avoided at this time.
The warning breaks down the situation in Mexico by geographical area, making it clear which states and locales are not included in the warning. Popular tourist areas such as Cancun, the Riviera Maya, Mexico City, Los Cabos, Riviera Nayarit, Puerto Vallarta, San Miguel de Allende, Guanajuato, Merida, Huatulco and Oaxaca are specifically noted as not included in the warning, so visitors may feel confident in traveling to these areas.
The warning recommends travelers defer non-essential travel to some of Mexico's northern states. The tourist destinations of Acapulco and Mazatlan are listed as not included in the warning, but travelers are urged to exercise particular caution outside these cities' tourist zones. Travelers who are driving in Mexico are encouraged to stick to travel during daylight hours, avoid isolated roads, and use toll roads when possible.