Yesterday, the department of the Seine-maritime which begins a little before Rouen and ends in Le Havre had only two bridges over the Seine : the bridge "William the Conqueror" (commissioned in 1970) which connects the right bank to the left bank inside the city of Rouen and the bridge of Tancarville (commissioned in 1959)which connects the Marais-Vernier with Tancarville in the first cove of the Seine when one leaves the bay of Seine.
The SECA zones (SECA for Sulphur Emission Control Area) are maritime areas in which strict controls of merchant ships have been established by the International Maritime Organization (IMO) to minimize emissions of sulfur oxides (SOx), nitrogen oxides (NOx) and Prohibit any deliberate release of ozone-depleting substances. It also governs waste incineration on board and emissions of volatile organic compounds (VOCs) from tankers.
The Automatic Identification System (AIS) is a system for the automated exchange of messages between ships by VHF radio which allows ships and traffic monitoring systems (CROSS in France) to know the identity, status, position and the ship route in the navigation zone.
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