K

For K, row description is Compatibility group; transport mode is Carriage by Public Highway; what the code requires is A blank space in the table indicates that no restrictions apply, verified against its source on 2026-08-10.

What the source says

Compatibility Table For Class 1 (Explosive) Materials Compatibility group | A | B | C | D | E | F | G | H | J | K | L | N | S | A | | X | X | X | X | X | X | X | X | X | X | X | X | B | X | | X | X (4) | X | X | X | X | X | X | X | X | 4/5 | C | X | X | | 2 | 2 | X | 6 | X | X | X | X | 3 | 4/5 | D | X | X (4) | 2 | | 2 | X | 6 | X | X | X | X | 3 | 4/5 | E | X | X | 2 | 2 | | X | 6 | X | X | X | X | 3 | 4/5 | F | X | X | X | X | X | | X | X | X | X | X | X | 4/5 | G | X | X | 6 | 6 | 6 | X | | X | X | X | X | X | 4/5 | H | X | X | X | X | X | X | X | | X | X | X | X | 4/5 | J | X | X | X | X | X | X | X | X | | X | X | X | 4/5 | K | X | X | X | X | X | X | X | X | X | | X | X | 4/5 | L | X | X | X | X | X | X | X | X | X | X | 1 | X | X | N | X | X | 3 | 3 | 3 | X | X | X | X | X | X | | 4/5 | S | X | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 | X | 4/5 | | ( g ) Instructions for using the compatibility table for Class 1 (explosive) materials are as follows: ( 1 ) A blank space in the table indicates that no restrictions apply. ( 2 ) The letter “X” in the table indicates that explosives of different compatibility groups may not be carried on the same transport vehicle. ( 3 ) The numbers in the table mean the following: ( i ) “1” means an explosive from compatibility group L shall only be carried on the same transport vehicle with an identical explosive. ( ii ) “2” means any combination of explosives from compatibility groups C, D, or E is assigned to compatibility group E. ( iii ) “3” means any combination of explosives from compatibility groups C, D, or E with those in compatibility group N is assigned to compatibility group D. ( iv ) “4” means see <https://www.ecfr.gov/current/title-49/section-177.835#p-177.835(g)> § 177.835(g) when transporting detonators. ( v ) “5” means Division 1.4S fireworks may not be loaded on the same transport vehicle with Division 1.1 or 1.2 (explosive) materials. ( vi ) “6” means explosive articles in compatibility group G, other than fireworks and those requiring special handling, may be loaded, transported and stored with other explosive articles of compatibility groups C, D and E, provided that explosive substances (such as those not contained in articles) are not carried in the same transport vehicle.

— ecfr.gov, retrieved 2026-08-10

Source

• ecfr.govhttps://www.ecfr.gov/current/title-49/subtitle-B/chapter-I/subchapter-C/part-177/subpart-C/section-177.848

Last verified against source: 2026-08-10. Due for re-check by 2027-08-10. This page as Markdown · OKF bundle · full dataset as JSON.