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GIS methodology for bicycle parking planning in BRT systems: Case study in Bogota - Colombia

GIS methodology for bicycle parking planning in BRT systems: Case study in Bogota - Colombia. Daniel Páez. Universidad de los Andes. Summary. Introduction Methodology BRT Network Analysis Survey and Data Collection Spatial Catchment Analysis and Results Results (Case of study Bogotá)

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GIS methodology for bicycle parking planning in BRT systems: Case study in Bogota - Colombia

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  1. GIS methodology for bicycle parking planning in BRT systems: Case study in Bogota - Colombia Daniel Páez Universidad de los Andes

  2. Summary • Introduction • Methodology • BRT Network Analysis • Survey and Data Collection • Spatial Catchment • Analysis and Results • Results (Case of study Bogotá) • Conclusions

  3. Methodology • BRT Network Analysis Description Identifywhichstationshave parking facilities. The purpose of this is to know which are going to be the stations of interest for the analysis. Analysis Capacity and average occupancy of each station is determined by counting the amount of bicycles that use the facility in a given time. Information from Transmilenio.

  4. Methodology • Survey and Data Collection Description The second step has the purpose of knowing the points of origin of travelers that use the facility, their income, their age, basically all kind of demographic and social information of users. Surveys at stations are proposed to be divided into two

  5. Methodology Survey and Data Collection FirstSurvey SecondSurvey -Demographic information: Where you live Where you work Stratum Number of children Marital status Profession Salary -Information provided by the operator of the system: Capacity of the system Daily occupation Explanation of the security system Reports of damages Satisfaction surveys Daily users Gender of users • Distance traveled • Bicycle travel time • Bike paths used for reaching the station • Perception of users in relation to the quality of the bicycle parking service

  6. Methodology • Spatial Catchment Description In this step it is proposed to use GIS tools to determine spatial relationships between all these factors. Results Tools As a result of this step, we found the key factors that determine the occupancy of the parking facility, so we have enough data to create the methodology that should be used to design properly parking facilities in any BRT system. Tools commonly used in this step are buffering, clipping, od matrix and others that are commonly used in GIS spatial analysis.

  7. Methodology • Analysis and Results Results fromprevioussteps MODEL -Predicttheoccupation of the parking facility -Identification of keyfactorsaffectingdemandfor parking at stations forthe particular BRT systemunderinvestigation

  8. Results (Case of study Bogotá) • TransmilenioContext • 11 Corridors • 87 Kilometers • 115 Stations • 580 Feeder buses • 90 Feecerroutes (640 Km)

  9. Results (Case of study Bogotá) • Cycling Infrastructure • About 344 Kilometers. • Connectivity problems. • According to the 2011 mobility survey 5% of total daily trips in the city are made in bicycle.

  10. Results (Case of study Bogotá) • Application of Methodology in one Station with Bike Parking Portal Sur was selected because this station has the most bike parking occupancy, but its capacity is not enough to supply the demand, also because of the great amount of passengers that arrive to the station. Identification of the places where is the bike parking, the capacity and occupation

  11. Results (Case of study Bogotá) • Collectinformationfromthesurveys SecondSurvey FirstSurvey Demographic information about users of the parking lot

  12. Results (Case of study Bogotá) • GIS Analysis

  13. Results (Case of study Bogotá) Buffer and stratum at 5000 m Line density of bikepaths

  14. Results (Case of study Bogotá) • Theoccupation of the bike parking depends on three important factors • The total inflows to the analysis station • Areas of low, medium and high stratum near the station • The coverage of the existing feeder routes

  15. Results (Case of study Bogotá) • Create an equation system in order to find the coefficients that will help us designing the capacity needed. • By solving this system of equations, we create a multi-criteria methodology of capacity design. Behavior of theoccupation of thebikestation

  16. Results (Case of study Bogotá) Data usedfortheequationsystem

  17. Results (Case of study Bogotá) Application of Methodology in oneStationwithoutbike parking PORTAL NORTE • Signicantpeople living in strata 0, 1, 2 and 3 • Feederroutes • Number os spacesforbicycles in the Portal Norte : 210

  18. Conclusions • The methodology used in this paper is can be used by anyone interested in designing bicycle infrastructure at any BRT system in the world. • A disadvantage that the methodology may have is that although we have feeder buses routes, we only takes into account the number of routes, since feeder buses routes are difficult to quantify. • In the specific case of the design of bike parking for Transmilenio system in Bogota, it was found that the location and capacity of the parking infrastructure is not consistent with the demand and, therefore, infrastructure is not properly used. • The major limitation was that small number of existing parking facilities, which delayed and complicated the process of analysis.

  19. THANKS !

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