To obtain a copy of a crash report in Massachusetts, follow these steps:

1. **Determine Eligibility**: Ensure you are eligible to request the report. Typically, involved parties, their legal representatives, or insurance companies can request it.

2. **Wait for Processing**: Allow at least 4-10 business days after the accident for the report to be processed and available.

3. **Visit the RMV Website**: Go to the Massachusetts Registry of Motor Vehicles (RMV) website.

4. **Complete the Request Form**: Fill out the Crash Report Request Form, providing details such as the date of the accident, location, and involved parties.

5. **Pay the Fee**: Submit the required fee, which is typically around $20, via the payment methods accepted by the RMV.

6. **Submit Your Request**: Send the completed form and payment to the RMV by mail or online, if available.

7. **Receive the Report**: Once processed, you will receive the crash report by mail or electronically, depending on your chosen method.

For more detailed information, visit the Massachusetts RMV website or contact their customer service.