Given traffic flows for each lane group at a T junction shown in Figure below. The saturation traffic flows are as follow: • Through traffic is 1800 vphgpl • Left turn traffic is 1600 vphgpl Right turn traffic is 1600 vphgpl • Assume that the length of yellow interval is 3 seconds and lost time is 4 seconds; the minimum green for each phase is 10 seconds and the cycle given as a multiple of 5 second. Three phases are proposed as shown Determine cycle length and green length for each phase

Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter4: Traffic Engineering Studies
Section: Chapter Questions
Problem 15P
icon
Related questions
Question
i need the answer quickly
Given traffic flows for each lane group at a T
junction shown in Figure below. The saturation
traffic flows are as follow:
• Through traffic is 1800 vphgpl
• Left turn traffic is 1600 vphgpl
Right turn traffic is 1600 vphgpl
• Assume that the length of yellow interval is 3
seconds and lost time is 4 seconds; the
minimum green for each phase is 10
seconds and the cycle given as a multiple of
5 second.
• Three phases are proposed as shown
Determine cycle length and green length for
each phase
If the posted speed is 40 km/h is the yellow
time is enough? Minor street is sloping towards
the intersection with grade of 4% while the
major street is level. Assume pedestrian speed
is 1.2 m/sec
Phase 1
Phase 2
Phase 3
12 m
250
150
14 m
Transcribed Image Text:Given traffic flows for each lane group at a T junction shown in Figure below. The saturation traffic flows are as follow: • Through traffic is 1800 vphgpl • Left turn traffic is 1600 vphgpl Right turn traffic is 1600 vphgpl • Assume that the length of yellow interval is 3 seconds and lost time is 4 seconds; the minimum green for each phase is 10 seconds and the cycle given as a multiple of 5 second. • Three phases are proposed as shown Determine cycle length and green length for each phase If the posted speed is 40 km/h is the yellow time is enough? Minor street is sloping towards the intersection with grade of 4% while the major street is level. Assume pedestrian speed is 1.2 m/sec Phase 1 Phase 2 Phase 3 12 m 250 150 14 m
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Asphalt binders and mixtures
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Traffic and Highway Engineering
Traffic and Highway Engineering
Civil Engineering
ISBN:
9781305156241
Author:
Garber, Nicholas J.
Publisher:
Cengage Learning