Conservation groups say the proposed Arizona routes for an Interstate 11 project failed to consider habitat for imperiled ...

Interstate 10 was noted three times in a list of the top 10 most dangerous highways in the United States. Five portions of Arizona's freeways made the list. According to data, there were 232 ...

The U.S. District Court in Arizona on Wednesday ... along the existing Interstate 10 and one western option that would construct the roadway through undeveloped desert around Saguaro National ...

The proposed freeway would run from Wickenburg to Nogales and has been subject to lawsuit filed by a conservation group.