TABLE 1.

Rhode Island Road Test Scale Used to Evaluate On-Road Driving Performance

1. Awareness of signs	0	1	2
2. Light awareness	0	1	2
3. Approaches intersection at appropriate speed	0	1	2
4. Brakes smoothly and accurately	0	1	2
5. Comes to a complete stop	0	1	2
6. Aware of traffic situations	0	1	2
7. Responds appropriately to signal	0	1	2
8. Scans	0	1	2
9. Uses mirrors	0	1	2
10. Positions for turn	0	1	2
11. Yields right of way	0	1	2
12. Proceeds timely	0	1	2
13. Accelerates smoothly and accurately	0	1	2
14. Signal use	0	1	2
15. Attends to task	0	1	2
16. Awareness of pedestrians	0	1	2
17. Spatial awareness	0	1	2
18. Lane selection	0	1	2
19. Lane keeping	0	1	2
20. Awareness of environment	0	1	2
21. Speed control	0	1	2
22. Steering control	0	1	2
23. Uses mirrors for lane change	0	1	2
24. Checks blind spots	0	1	2
25. Changes lanes without verbal cue	0	1	2
26. Scans while in motion	0	1	2
27. Shifts for park	0	1	2
28. Turns vehicle engine off	0	1	2

Note. Key: 0 = unimpaired, 1 = mildly impaired, 2 = moderately to severely impaired.