5. For a four-leg intersection, the following traffic signal phases are defined: A: North bound and South bound. B: North bound and East bound. C: East bound and South bound. E: From East to South and from West to North. F: From North to East and from South to West. G: From North to East and from West to North. H: From East to South and from South to West. D: East bound and West bound. Right turn traffic movements are merged with the through traffic movement. A group of invalid phases consists of:

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The Profession of Transportation

Transportation Engineering or Transport Engineering is the application of innovation and research-based fundamentals to the planning, management, and operations of facilities for any means of transportation for the provision of safety, efficiency, convenience, security, that is economically and environmentally suitable for the motion of people and goods transportation to various places.