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Mainland Trunk Roads & Zanzibar Rural Roads Baseline Survey 2009

Tanzania, 2009
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Reference ID
TZA_2009_TRRRBS_v01_M
Producer(s)
Economic Development Initiatives (EDI) for the Millennium Challenge Corporation (MCC)
Metadata
DDI/XML JSON
Created on
Oct 13, 2011
Last modified
Mar 29, 2019
Page views
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  • Study Description
  • Data Dictionary
  • Downloads
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  • Identification
  • Producers and sponsors
  • Sampling
  • Data collection
  • Access policy
  • Data Access
  • Disclaimer and copyrights
  • Metadata production
  • Identification

    Survey ID number

    TZA_2009_TRRRBS_v01_M

    Title

    Mainland Trunk Roads & Zanzibar Rural Roads Baseline Survey 2009

    Country
    Name Country code
    Tanzania TZA
    Study type

    Impact Evaluation Survey

    Abstract

    To evaluate the impact of the rehabilitation of the project roads on the socioeconomic development of the communities along the roads, the study will use a combination of propensity score matching and difference-in-differences regression. Communities along the roads scheduled for upgrades (the treatment communities) will be matched with other communities that have similar characteristics but will not benefit from the road upgrades (the comparison communities). This will result in two comparable groups of communities: one group that is situated along the roads and will receive the (benefits of) road upgrades and another group that will not. The study will obtain pre-treatment and post-treatment data on both groups of communities and compare values of key outcome variables, such as travel time, travel cost, and income.

    Kind of Data

    Sample survey data [ssd]

    Unit of Analysis

    Household, Community

    Producers and sponsors

    Primary investigators
    Name
    Economic Development Initiatives (EDI) for the Millennium Challenge Corporation (MCC)
    Funding Agency/Sponsor
    Name
    Millennium Challenge Corporation

    Sampling

    Sampling Procedure

    For the Tanga - Horohoro road we identified 16 villages along the treatment road and 12 villages along the comparison road. Sample size for this road project was 24 villages (see Table I.1 of the survey report provided under Related Materials), spread out evenly among the treatment and the comparison road. We thus took a random sample of 12 out of 16 treatment villages. The comparison group consisted of all 12 villages along the comparison road. The listing team visited the 24 selected villages and drew up exhaustive lists of vitongoji within each village. Vitongoji were divided in two groups depending on their distance to the road and one kitongoji was randomly sampled from each group. Table I.2 shows the final sample (48 vitongoji) for the Tanga - Horohoro road project. Figures 1 and 2 in the appendix show the exact location (captured by GPS) of all surveyed vitongoji along the treatment (Figure 1 of the survey report) and comparison (Figure 2) road.

    For the two stretches of road on the southern Mtwara corridor we identified 18 villages that are located on or along the roads that will be upgraded and 21 villages that are located along the selected comparison roads (see subsection 2.2). Sample size for this road project was 34 villages (seeTable I.1), spread evenly among treatment and comparison roads. We thus took a random sample of 17 out of 18 treatment villages and 17 out of 21 comparison villages. The listing team visited the 34 selected villages and drew up exhaustive lists of vitongoji within each village. Vitongoji were again divided in two groups depending on their distance to the road and one kitongoji was randomly sampled from each group. Table I.3 shows the final sample (68 vitongoji) for the Mtwara corridor road project.

    For the longest road (Sumbawanga - Tunduma), we identified 27 villages along the treatment road and 26 villages along the selected comparison roads (see subsection 2.1). Sample size for the impact evaluation of this road was 42 villages spread out evenly among treatment and comparison roads. We thus took a random sample of 21 out of 27 treatment villages and 21 out of 26 comparison villages. Again, the listing team visited the selected villages and drew up exhaustive lists of vitongoji within each village. Vitongoji were again divided in two groups depending on their distance to the road and one kitongoji was randomly sampled from each group. Tables I.4 and I.5 show the final sample (84 vitongoji) for the Tunduma ‐ Sumbawanga road project (Table I.4 for the Tunduma - Mkutano part in Mbeya Region and Table I.5 for the Mkutano - Sumbawanga part in Rukwa Region).

    Data collection

    Dates of Data Collection
    Start End
    2009 2009

    Access policy

    Location of Data Collection

    Data.Gov

    Archive where study is originally stored

    Data.Gov - MCC Data Catalog
    https://catalog.data.gov/dataset/tanzania-mainland-trunk-roads
    Cost: None

    Data Access

    Access authority
    Name Affiliation URL Email
    Monitoring and Evaluation Division Millennium Challenge Corporation https://catalog.data.gov/dataset/tanzania-mainland-trunk-roads impact-eval@mcc.gov

    Disclaimer and copyrights

    Disclaimer

    The user of the data acknowledges that the original collector of the data, the authorized distributor of the data, and the relevant funding agency bear no responsibility for use of the data or for interpretations or inferences based upon such uses.

    Metadata production

    DDI Document ID

    DDI_TZA_2009_TRRRBS_v01_M_v01_A_PUF

    Date of Metadata Production

    2011-03-16

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