California builds wildlife crossings near Joshua Tree to reduce animal deaths

Engineers are designing two wildlife crossings over State Route 62 in the Mojave Desert near Joshua Tree National Park in California to address the fragmentation of animal habitats caused by heavy vehicle traffic. The crossings aim to provide safe passage for wildlife while reducing the number of animals struck by vehicles on the busy highway.

Researchers have been conducting extensive studies on the movement patterns and behaviour of bighorn sheep, mountain lions and bobcats in the region. These findings will directly inform the engineering and design of the crossings to ensure they meet the needs of the area's most vulnerable wildlife populations.

The projects have secured more than $6 million in grants to support engineering assessments, environmental studies and comprehensive planning. This funding reflects growing recognition among conservation officials and transportation authorities of the need to balance infrastructure development with wildlife protection in sensitive ecosystems.

The crossings represent a significant effort to restore ecological connectivity in the Mojave Desert, where habitat fragmentation has increasingly isolated animal populations and forced them to cross dangerous roads in search of food, mates and suitable territory. Wildlife crossings have proven effective in other regions, reducing animal-vehicle collisions while allowing species to maintain genetic diversity through increased movement between populations.