To Be Connected With Circuses,fairs,or Carnivals

[GRUMPY]

Here are some more for you clever AB er's
30, Many vehicles can leave you in traction here....(5,6,5)
31,....and many others are in tractors here (12,4)
32, Seen on the Thames on 01/01/2000 and other times (8,7)
Thanks again in advance

[Jackdaw33]

31 Agricultural fair?

[Jackdaw33]

30 Steam engine rally?

[scorpiojo]

30 Steam engine rally?

[Jackdaw33]

32 Firework display?

[Pazzapam]

20 coconut shy
26 ghost train
How about 40 (The name suggests avoidance, in practice they are hit (7)), or
42 (Thai food for primates (6,6,8)), or 48 (Wave next to shore trading boat going up and down (6,7))?

[scorpiojo]

^ You may get more help if you post those clues on a new thread :)

[puzzld]

40, Dodgems