As the first electric railway in Africa, Addis Ababa-Djibouti Railway connects Addis Ababa (capital of Ethiopia) and Djibouti (capital of Djibouti). An Africa railway with Chinese genes The total length of Addis Ababa-Djibouti Railway reaches 7527 km, with the designed speed of 120 km/h and total investment of 4 billion dollars. It adopts full set of Chinese equipment and is built under Chinese requirement. Insigma provides its favorable BiLOCK computer interlocking system for this railway, which has passed the SIL4 international safety certification of“Greneral products”and “general application”. The “brain” of Addis Ababa-Djibouti Railway operates every half second The core safety technology of BiLOCK computer interlocking system is “fail-safe”. Those signal processors which are distributed on the track and stations of Addis Ababa-Djibouti Railway can collect data around the clock. It can operate every half second, with the total 5 procedures each calculation.