Highway Engineering
Which of the following devices is used to transfer the wagons or locomotives to and from parallel tracks without any necessity of shunting ?

triangle
traverser
scotch block
turntable

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Highway Engineering
The provision of traffic signals at intersections

reduces right angled collisions but may increase rear end collisions
increases right angled and rear end collisions
reduces rear end collisions but may increase right angled collisions
reduces right angled and rear end collisions

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