WZ-Letters
| Model | WZ# | Description | 
|---|---|---|
| 4818K | Aluminium stand w/ 18" mounting height | |
| 4860K | Aluminium stand w/ 5' & 7' mounting height | |
| 5018K | Aluminium/Steel stand w/ 18" mounting height | |
| 4884K | Aluminium stand w/ 7' mounting height | |
| 40CAM | Steel stand w/ 12" mounting height | |
| 30CAM | Steel stand w/ 12" mounting height | |
| 4850RBK | Aluminium stand w/ 5' mounting height | |
| 4815RBK | Aluminium stand w/ 14" mounting height | |
| 4815RBK-60 | Aluminium stand w/ 5' mounting height | |
| 4814DLK | Aluminium stand w/ 14" mounting height | |
| 4814HDK | Aluminium stand w/ 14" mounting height | |
| 4814SSCK | Aluminium/Steel stand w/ 12" mounting height | |
| 4814NSCK | Aluminium/Steel stand w/ 12" mounting height | |
| 5012SS | Steel stand w/ 12" mounting height | |
| 5012NS | Steel stand w/ 12" mounting height | |
| 5018SS | Steel/Aluminium stand w/ 18" mounting height | |
| 5018NS | Steel/Aluminium stand w/ 18" mounting height | |
| 50TRI | Steel stand w/ 12" mounting height | |
| 3612DLK | Aluminium stand w/ 12" mounting height | |
| 4812k | Aluminium stand w/ 12" mounting height | |
| 4814SL | Aluminium stand w/ 14" mounting height | |
| 30TRI | Steel stand w/ 12" mounting height | 
The following MDI Traffic Control Products meet the MASH guidelines for crashworthiness and safety for road-side hardware and workzone devices. Click the WZ number to view a PDF of the acceptance letter for that product.
MASH Letters
| Model | WZ# | Description | 
| 4860-LT | WZ-357 | Aluminium stand w/ 12" - 84" mounting height | 
| 50SM-NS | WZ-364 | Steel stand w/ 12" - 54" mounting height | 
| 5012M-SS | Steel stand w/ 12" mounting height | |
| T1260M | WZ-393 | Aluminium stand w/ 12" - 63" mounting height | 
| 4818M | WZ-394 | Aluminium stand w/ 12" - 63" mounting height | 
| 4814M-SL | WZ-395 | Aluminium stand w/ 14" mounting height | 
| 4814M-DLK | Aluminium stand w/ 14" mounting height | |
| 4860M-84 | WZ-397 | Aluminium stand w/ 12" - 88" mounting height | 
| 5012M-NCAM | WZ-398 | Steel stand w/ 12" mounting height | 
| 50SM-2S | WZ-399 | Steel stand w/ 12" - 63" mounting height | 
| 4860M | WZ-453 | Aluminium stand w/ 12" - 84" mounting height | 
| 50SM-2S7 | WZ-454 | Steel stand w/ 12" - 84" mounting height | 
