List of top Infrastructure Planning Questions on Road capacity and Travel demand forecasting

With reference to the Speed-Density diagram given below, which of the following statements is/are correct?

In a one-way single lane traffic stream, the observed average time headway is 2.5 seconds. The traffic flow of the above mentioned lane, in vehicle/hr, is _______ (in integer).

A city with a present population of 1,75,000 is expecting an annual population growth rate of 0.85%. In a traffic assessment study, the trip generation model has been developed as Y = 142 +0.675X, where Y is the number of daily trips generated within the city and X is the population of the city. The number of daily trips to be generated within the city after 10 years is _______(in integer).

A given zone is characterized in the following tables in terms of household size, and vehicle ownership. Table I shows the trip rates of households, and Table II shows the household composition. For households of size two and above, having one or more vehicles, the total daily home-based trips made are \underline{\hspace{1cm}} [in integer].

Considering the following statements (P, Q, and R), select the correct option. (P) Prediction of travel demand depends on target year modal alternatives.
(Q) Prediction of travel demand depends on target year population.
(R) Prediction of travel demand depends on target year land use.