Wildlife causes delays on Madrid-Zaragoza high-speed train

Published on May 20, 2026 | Translated from Spanish

So far in May, three incidents involving wild boars and roe deer on the track between Calatayud and Plasencia de Jalón have caused delays of up to an hour on the AVE high-speed train connecting Zaragoza with Madrid. These chance encounters with local wildlife add to the list of setbacks affecting the punctuality of a key line for the northeast corridor.

high-speed AVE train braking urgently on a curved railway track between Calatayud and Plasencia de Jalón, a wild boar crossing the rails directly ahead, dust and gravel kicked up by emergency brakes, train headlights illuminating the animal in dramatic contrast, overhead catenary wires and signal posts visible, late evening golden hour light, cinematic photorealistic engineering visualization, motion blur on train wheels, realistic wildlife fur texture, railway infrastructure detail, urgent action scene, ultra-detailed mechanical components, dramatic tension, no text or numbers

Sensors and fences: the technical fight against impacts 🚧

Adif has installed obstacle detection systems and perimeter fencing on several high-speed sections, although effectiveness is reduced in natural animal crossing areas. Current trains do not incorporate autonomous braking for large objects, so driving depends on the driver. The solution involves improving the enclosure and adding thermal radars at critical points such as the Jalón valley.

When the AVE stops for a wild boar in a hurry 🐗

Passengers are already wondering if the ticket includes a safari. Seeing a roe deer crossing the track is more common than a delay due to construction, and local wildlife seems to have found a new pastime in high-speed rail. While Renfe studies whether to charge tolls to animals, travelers only hope that the next wild creature at least has a transport pass.