Here is a portable, foldable road barrier that can deflate the tires of vehicles and provide vehicle access control. The Hedgehog unfolds a set of spikes on the ground electronically. Its length is settable to up to 4 meters. This robotic spike system can be remote controlled from a distance of up to 200 meters.
The folding/unfolding process takes about 2 seconds to complete. The battery lasts for up to 12 days on standby and 100 unfold/fold cycles.