Transport Issues

Question 1

Don’t deesign transport facilities for ‘worst case’ because:

Answer 1

its not economical

Question 2

Common to design transport facilities using

Answer 2

hourly flow rate that is expected to be exceeded 30 times per year. (30th highest hourly flow)

Question 3

Tansport and Land Use Interaction

Answer 3

Circular Flow diagram:

• TS (transport system) change
• Accessibility change & land value change
• land use change
• TS performance change & traffic generation change

Question 4

Role of transport system

Answer 4

• provide access to land/ facilities

- provide for movement between locations

Question 5

Characteristics of arterial roads

Answer 5

Serves primarily for a network function ( to deliver traffic from collector roads to freeways or expressways, and between urban centres at the highest level of service possible.)

Limited access

Question 6

Characteristics of distributor/ collector roads

Answer 6

Intermediate roads, balance between mobility and access functions

Question 7

Characteristics of local streets:

Answer 7

Limited to no network function.

Exists primarily for land service.

Question 8

4 steps of travel demand prediction

Answer 8

estimating future:

• trip generation (no. of trips)
• trip duration (origin & destination)
• mode choice
• route choice

Question 9

Trip generation:

Answer 9

• approx 10 car trips/day per household
• varies with income, etc.
• est # housholds

Question 10

Trip distribution

Answer 10

• where people live, work and shop

Question 11

Mode choice

Answer 11

Relative attractiveness
- trip purpose
Can alter attractiveness of alternative modes

Question 12

Route choice

Answer 12

Relative attractiveness of routes