Definition of 交通課 (こうつうか)
こうつうか
                        交通課
こうつうか
koutsuuka
noun
•
        
traffic division (of a police department)
Related Kanji
| 交 | mingle, mixing, association, coming & going | 
| 通 | traffic, pass through, avenue, commute, counter for letters, notes, documents, etc. | 
| 課 | chapter, lesson, section, department, division, counter for chapters (of a book) |