Tangier Protocol of the international zone remained until its 29 October 1956 reintegration with Morocco, following Morocco's independence that year. After it came into force, the Protocol was also acceded to by Belgium, Netherlands, Portugal and Sweden. Tangier Protocol The Tangier Protocol (formally the Convention regarding the Organisation of the Statute of the Tangier Zone) was an agreement signed between France, Spain and the United Kingdom by which the city of Tangier in Morocco became the Tangier International Zone. The protocol was signed in Paris on 18 December 1923 and entered into force with ratification on 14 May 1924. Starting from 1929,
Casablanca–Tangier high-speed rail line by a new high-speed right of way, with construction scheduled to begin in 2020. Two electrification types are used—from Tangier to Kenitra the new trackage was built with 25 kV at 50 Hz, while the line from Kenitra to Casablanca retained the existing 3 kV DC catenary. The ETCS-type signal system was installed by Ansaldo STS and Cofely Ineo. At the launch of service in 2018, the travel time between Casablanca and Tangier was reduced from 4 hours and 45 minutes to 2 hours and 10 minutes. The completion of dedicated high-speed trackage into Casablanca would further reduce the end-to-end