AWS Location Services

While Amazon Location Service can potentially replace self-hosted OSRM (Open Source Routing Machine) instances for routing in many cases, it's not a direct one-to-one replacement. Amazon Location Service offers robust routing capabilities that can meet many of the same needs as OSRM, but there are some key differences to consider:

1. Data sources: Amazon Location Service uses data from established providers like Esri, HERE, and GrabMaps, as well as Open Data Maps. This means you're getting high-quality, regularly updated data without having to manage it yourself.

2. Functionality: Amazon Location Service provides features like route planning, turn-by-turn navigation, real-time traffic information, and support for various travel modes (car, truck, pedestrian, scooter). It can calculate travel time, distance, and directions between multiple points.

3. Scalability and management: As a fully managed service, Amazon Location Service handles scaling and infrastructure management for you, which can be a significant advantage over self-hosted solutions.

4. Integration: It integrates well with other AWS services and offers SDKs for easy implementation in your applications.

5. Customization: While Amazon Location Service offers various options for customizing routes (like avoiding certain features or calculating tolls), it may not offer the same level of low-level customization as a self-hosted OSRM instance.

6. Cost structure: Instead of managing your own infrastructure, you pay for what you use with Amazon Location Service.

7. Global coverage: Amazon Location Service offers routing in over 150 countries for car routing and 65+ countries for truck routing, which may differ from your current OSRM setup.

While Amazon Location Service can be an excellent alternative to self-hosted OSRM for many use cases, especially if you're already using AWS, you'll need to evaluate your specific requirements, desired level of control, and cost considerations to determine if it's the right fit for your routing needs.
Sources
Amazon Location Service Features – Amazon Web Services
Calculate routes - Amazon Location Service
Amazon Location Service Customers - Amazon Web Services
Amazon Location Service Data Providers - Amazon Web Services