Is driving too slow illegal?

Related questions

1. What is the speed limit for a car derived van?
2. Is there a minimum speed limit?
3. Is a Citroen Berlingo a car or a van?
4. How big is the back of a Citroen Berlingo van?
5. How fast can vans go on motorway?
6. What type of van is a Citroen Berlingo?
7. What weight can a Peugeot Partner tow?
8. Are van speed limits different to cars?
9. What weight can a Citroen Dispatch carry?
10. How much can minivans tow?

Tags

1. #shall
2. #except
3. #movement
4. #speed
5. #because
6. #highway
7. #compliance
8. #drive
9. #reduced
10. #typical
11. #necessary
12. #normal
13. #person
14. #traffic
15. #grade
16. #block
17. #reasonable
18. #impede
19. #operation
20. #impeding