TABLE G.2  Usefulness and Alternative Sources of Transportation Data for State Transportation Agencies and Metropolitan Planning Agencies (22 agencies reporting), 1990 Census

Items

 

Number

Percentage

Usefulness of the Data for (essential or very useful):

 

 

 

Statewide and regional transportation plan

 

20

91

Program development

 

14

64

Conformity requirements

 

14

64

Congestion management

 

15

68

Transit planning

 

15

68

Traffic control measures

 

11

50

Alternatives analysis

 

17

77

Monitoring and evaluation

 

11

50

Other

 

4

18

Difficulty to Replace Data (very difficult):

 

 

 

Socioeconomic data (by zone)

 

13

59

Employment data (by zone)

 

8

36

Work-trip data by mode (by zone)

 

18

82

Origin-destination data (by zone)

 

17

77

Special tabulations in CTPP

 

15

68

Most Likely Way to Replace Data:

 

 

 

Conduct or expand home interviews

 

19

86

Conduct workplace surveys

 

13

59

Conduct roadside or transit surveys

 

13

59

Use secondary source data

 

13

59

Other new data collection

 

7

32

Could Funds and Staff Be Made Available

Yes

1

Probably

11

Unlikely

10

 

Source:  Wickstrom (1994: Table 5).



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