RIVR TWO Brings Autonomous Delivery to Your Door

RIVR TWO is a wheeled-legged delivery robot powered by Physical AI that navigates real streets and completes unattended doorstep delivery without human handoff.

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Rivr Two

When the Last Mile Is Still the Hardest

Delivery networks have become remarkably efficient at moving parcels and food across cities, but the final stretch, from the vehicle to the customer's door, remains one of the most operationally complex and costly parts of the entire journey. Sidewalks, curbs, steps, crossings, and narrow entryways all present obstacles that wheeled vehicles cannot handle and that human couriers navigate instinctively. Solving the last 100 yards of delivery without relying entirely on human labor has been one of logistics' most persistent unsolved problems.

What RIVR TWO Actually Is

RIVR TWO is a wheeled-legged delivery robot built by RIVR that combines physical mobility with Physical AI to navigate real-world urban environments and complete doorstep deliveries autonomously. Unlike conventional delivery robots that operate only on flat, predictable surfaces, RIVR TWO is designed to handle the full range of obstacles that define real streets, including curbs, crossings, steps, and tight entryways, going beyond the last mile to solve what RIVR calls the last 100 yards. It is built for both food and parcel delivery, optimized for mixed fleet operations, and designed to integrate with existing delivery vans without overhauling current operations.

A Delivery System Built Around Unattended Drop-Off

The most distinctive engineering decision in RIVR TWO is its purpose-built payload system. The robot is loaded from the top and releases deliveries from the bottom by sitting down at the doorstep, allowing parcels and food to be left without any direct human handoff or customer interaction required. This top-load, bottom-release mechanism is not simply a convenience feature. It is a fundamental rethinking of how robotic delivery should work, eliminating the doorstep dwell time that slows down conventional delivery workflows and enabling fully unattended operations at scale. The payload capacity stands at 55 liters, covering the full range of typical non-bulky parcel and grocery delivery needs.

Physical AI at the Core

What enables RIVR TWO to navigate environments that have historically defeated delivery robots is its Physical AI system, built on a combination of simulation data and real-world operational experience. The robot is designed to navigate safely around pedestrians, cyclists, and vehicles, with instant stop capability available through its autonomy system, a physical button, or a remote command. It handles sidewalks, bike lanes, crossings, and long distances without getting stuck, travels faster than walking pace to support peak-time delivery demands, and uses lights and visual cues to maintain visibility in both day and night conditions.

Designed to Belong on the Street

RIVR TWO is deliberately designed with a small footprint and a soft, approachable form that allows it to operate in shared public spaces without creating friction with pedestrians or communities. Its design reflects an understanding that a delivery robot operating in urban environments must feel like it belongs there, not like an intrusion. The robot supports quick turnaround charging aligned with delivery shift patterns, making it operationally viable for the continuous demands of real delivery networks.

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