Question

The sixth vehicle in a stationary platoon of vehicles
held on red by a traffic signal at a signalized intersection got
the opportunity to move 10s after the signal had turned green and
reached the intersection stop line exactly 15s into cycle. The
average spacing between vehicles held on red by the signal was 7m.
Based on the information given, determine the following:

i. The distance of the sixth vehicle from the intersection stop
line

ii.The speed with which vehicles were crossing the intersection during the green interval.

iii. The density of the stationary platoon of vehicles held on red by the signal.

iv. The speed of the release shock wave developed when the signal turned green.

v.The density of the stream in the release condition.

Answer #1

Traffic analysis for a signlized system of crossing is given and green time and red time is provided . See solution. Hope it will help you.

a = kv q traffic Volume nx 3600 10 1800 b ver/m. q=k. 5.75 1 800 5.75 =k - K= 313 Vehicle re/hr. (IV S Velocity of Shock wave wave Swave 9A-% KA-KB 1800-o 313-87 7.965 km/ho.

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a = kv q traffic Volume nx 3600 10 1800 b ver/m. q=k. 5.75 1 800 5.75 =k - K= 313 Vehicle re/hr. (IV S Velocity of Shock wave wave Swave 9A-% KA-KB 1800-o 313-87 7.965 km/ho.

At the signalized intersection, the vehicles began to arrive
from 7:00 am (beginning of the traffic study) at the rate of 6
veh/min for 20 minutes, and declined to 1 veh/min. The traffic
signal is assumed to have an effective red and green only starting
from red at 7:00 am. The length of the effective green is 4 minutes
and effective red time is 3 minutes per cycle. The discharge rate
of the vehicles on effective green is 6 veh/minute....

Vehicles arrive in a single approach for two consecutive cycles
at a signalized intersection. The signal has a 60 second cycle time
which consists of a 30 second green interval and a 30 second red
interval (ignore yellow interval). The arrival rates are assumed to
be constant in both cycles. The arrival rate was 1,080
vehicles/hour in the first cycle and it decreased to 720
vehicles/hour in the second cycle. Assume that all vehicles in the
queue formed on red...

Autonomous Vehicle Project Evaluation Deliverables and
Rubric
Functions to be addressed:
Intelligent Drive Stop & Go
Speed limits
Deliverables
For each of these two functions write a use case describing
actors, inputs and responses and functional completion
For each of these 2 functions identify entities, data flows,
processes and data stores as explained in Chapter 5, and shown in
the example
Do enough to show an understanding of the process and the
concepts.
Functions
Use Case
Entities
Data Flows
Processes...

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