In order to examine whether installing a traffic signal is justified for an urban intersection shown in the figure, the following data were collected. During a normal day, a volume study revealed 8 hours with minimum total volume on both major approaches of 950 vph, and the minimum corresponding higher minor approach volume is 135 vph. The acceptable gaps available for the 18 school students to cross the major street during highest crossing hour are 66 per hour. Distance to nearest signalized intersection is 100 ft. During the peak hour, it was found that the total stopped time delay by the enterin perier traffic on the minor-street approach is 6 vehicle-hours; with a volume equals 125 vph; and with total entering volume was 750 vph. Consider that the posted speed limit is 35 mph. Then, installing a traffic signal is warranted (justified) because the following warrants are met: Major Street (total) Minor Street (higher approach) Standard minimum 600 150 volumes for W1- A Standard minimum 900 75 volumes for W1-B Warrants 3 and 5 Ob. Warrants land 3 O C. Warrants 1, 3 and 5 d. Warrants 1 and 5

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