| Subject | English | Arabic |
| railw., sec.sys. | centralised traffic control | تحكم مركزى في حركة المرور |
| environ. | traffic control The organization of a more efficient movement of traffic within a given road network by rearranging the flows, controlling the intersections and regulating the times and places for parking | السيطرة على المرور |
| environ. | traffic control measure Means of controlling the number and speed of motorvehicles using a road | إجراء للسيطرة على المرور |