suntdataset 0.1.3

A Dataset for the Salvador Unified Network for Transport (SUNT).

suntdataset

Python library to load and visualize data from SUNT (Salvador Unified Network for Transport).

Features

• Batch loading with start_date, periods, and freq.
• Day-type filtering (all, workdays, saturdays, sundays).
• OD graph creation and export with networkx.
• GIS line rendering (GTFS shapes) with folium.

Installation

pip install suntdataset

Optional dependencies:

pip install "suntdataset[vis]"
pip install "suntdataset[all]"

Quick Start

1. Load data

from suntdataset.loader import SUNTLoader

loader = SUNTLoader()

# Daily OD data (default start_date = 2024-03-01)
df_od = loader.load_batch(dataset_type="od", periods=1)

# GTFS shapes for GIS visualization
df_shapes = loader.load_batch(dataset_type="gtfs-shapes", periods=1)

2. Build OD graph

from suntdataset.visualizer import SUNTVisualizer

viz_od = SUNTVisualizer(df_od)
graph = viz_od.build_od_graph()
viz_od.export_od_graph("outputs/od_2024-03-01.graphml", fmt="graphml")
viz_od.export_od_graph("outputs/od_2024-03-01.gexf", fmt="gexf")

Dataset Types Supported

Type	Description
od	Features estimated full trips by passengers, enabling analysis of bus loading at stops and along routes.
gtfs-stops	Information about each bus stop.
gtfs-trips	Information about trips and their corresponding paths.
gtfs-stop-times	Chronological order of bus stops where each trip paused.
gtfs-routes	Information about bus lines.
gtfs-shapes	GTFS shapes data
gtfs-agency	Information about the bus companies.
afc	Features information regarding ticket validations by passengers across the public transportation network.
avl-lines	Features information concerning vehicles’ routes and bus schedules
avl-vehicles	Features information concerning vehicles’ routes and bus schedules over time.
lti	Maps the start and end of each trip made by a vehicle on a specific route.
boarding	A comprehensive table integrating data from AFC, LTI, AVL, and GTFS sources
alighting	Features estimated alighting information inferred from passenger behavior, including walking metrics and transfer patterns.

Academic Use & Citation

If you use this library in research, please cite the SUNT dataset:

@dataset{SUNT2025,
    author       = {Marcos Vinícius dos Santos Ferreira and Matheus Carvalho de Souza and Jorge Nery and Tatiane Nogueira Rios and Islame Felipe da Costa Fernandes and Danilo Oliveira Andrade and Joao Gama and Albert Bifet and Ricardo Rios},
    title        = {Salvador Urban Network Transportation (SUNT)},
    year         = {2025},
    publisher    = {Mendeley Data},
    version      = {1},
    doi          = {10.17632/85fdtx3kr5.1},
    url          = {https://data.mendeley.com/datasets/85fdtx3kr5/1}
}

Dataset Tables

Automatic Vehicle Location (AVL)

AVL (Automatic Vehicle Location) technology records real-time vehicles’ geographical location. The Global Positioning System (GPS) is commonly used for this purpose. In the SUNT dataset, AVL records can be divided into two datasets: AVL-lines and AVL-vehicles.

AVL-lines

Features information concerning vehicles’ routes and bus schedules.

route_short_name	pt_sequence	direction_id	longitude	latitude	stop_id	route_long_name	service_code
0116	1	1	-38.51123	-12.983389	43768720	Avenida Vale Do Tororo	53786
0116	2	1	-38.511097	-12.986428	45832898	Avenida Vale do Tororo, 291	53786
0116	3	1	-38.511448	-12.990091	44782328	Praça Dr. João Mangabeira	53786
0116	4	1	-38.504387	-12.990533	44784448	Av. Vaco da Gama, S/N - 5378	53786

• route_short_name: (str) Identifies the bus line.
• pt_sequence: (int) Presents the stop sequences of the bus line.
• direction_id: (int) Gives the direction of the line, where 1 stands for one-way and 0 for return trip.
• longitude/latitude: (float) Geographical coordinates of the bus stop identified in stop_id.
• stop_id: (str) Identifies the bus stop.
• route_long_name: (str) Stores the bus stop's name.
• service_code: (str) Identifies the trip along the line.

AVL-vehicles

Features information concerning vehicles’ routes and bus schedules over time.

vehicle	route_short_name	direction_id	gps_datetime	longitude	latitude	stop_id	service_code
20001	0310	0	2024-03-01 05:53:20	-38.512428	-12.978642	45834426	45546
20001	0310	0	2024-03-01 05:53:53	-38.509964	-12.975935	45834425	45546
20001	0310	0	2024-03-01 05:53:57	-38.509964	-12.975935	45834425	45546
20001	0310	0	2024-03-01 05:54:02	-38.508957	-12.975689	44782954	45546

• vehicle: (str) Code identifying the vehicle.
• route_short_name: (str) Identifies the bus line.
• direction_id: (int) Indicates the travel direction (1 = one-way, 0 = return).
• gps_datetime: (datetime) Timestamp(s) of arrival and/or departure from a stop.
• longitude/latitude: (float) Geographical coordinates where the GPS was recorded.
• stop_id: (str) ID of the stop where the record occurred.
• service_code: (str) Identifies the trip along the line.

Automatic Fare Collection (AFC)

Automated Fare Collection (AFC) is a payment system using smart cards or smartphones. In the SUNT dataset, AFC data includes information on fare validations at turnstiles, but does not include exact boarding or alighting locations for buses.

AFC

Features information regarding ticket validations by passengers across the public transportation network.

cod_card	afc_datetime	integration	route_short_name	direction_id	value	vehicle
02310034266847	2024-03-01 06:22:03	False	1386	I	0.0	20390
02310034266847	2024-03-01 06:22:10	False	1386	I	0.0	20390
02310033002113	2024-03-01 06:22:57	False	1386	I	0.0	20390
02310032345960	2024-03-01 08:12:25	False	1386	I	0.0	20390

• cod_card: (str) Anonymized passenger card ID.
• afc_datetime: (datetime) Time of fare validation at the turnstile.
• integration: (bool) Indicates if the fare is part of an integrated connection between transport modes.
• route_short_name: (str) Identifies the bus line.
• direction_id: (str) Direction of the line: 'I' (one-way) or 'V' (return).
• value: (float) Fare paid for the trip.
• vehicle: (str) Code identifying the vehicle where the fare was validated.

General Transit Feed Specification (GTFS)

GTFS (General Transit Feed Specification) is an open standard for distributing relevant information about transit systems to users. In the SUNT dataset, GTFS provides five tablesthat describe the entire public transportation network and services related to bus companies.

GTFS Agency

Information about the bus companies.

agency_id	agency_name	agency_url	agency_timezone	agency_lang	agency_phone
1	company_I	www.	America/Sao_Paulo	pt
2	company_II	www.	America/Sao_Paulo	pt

• agency_id: (int) Identifies the bus agency.
• agency_name: (str) Name of the bus agency.
• agency_url: (str) URL of the agency's website.
• agency_timezone: (str) Time zone of the agency.
• agency_lang: (str) Language used by the agency.
• agency_phone: (str) Contact phone number of the agency.

GTFS Routes

Information about bus lines.

route_id	agency_id	route_short_name	route_long_name	route_type
4089	1	1230	Sussuarana x Barra R1.	3
4450	1	1321	São Marcos x Barroquinha	3
4518	1	1103	Alto do Cruzeiro/Pernambués x Shop.Bela Vista/Term Ac.Norte	3
4523	1	1405	Estação Pirajá x Cajazeiras 8	3
4524	1	1137	Pernambués x Barra	3

• route_id: (int) Identifies the route.
• agency_id: (int) Foreign key that links to the GTFS Agency.
• route_short_name: (str) Short name or code for the route.
• route_long_name: (str) Full name or description of the route.
• route_type: (int) Type of transportation (e.g., 3 = bus).

GTFS Trips

Information about trips and their corresponding paths.

route_id	service_id	trip_id	direction_id	block_id	shape_id
4089	26082_D_1046761	1046761_D_1_0	0	4089_001M	26082_I
4089	26082_D_1046761	1046761_D_1_1	1	4089_001M	26082_V
4089	26082_D_1046761	1046761_D_2_0	0	4089_002M	26082_I
4089	26082_D_1046761	1046761_D_2_1	1	4089_002M	26082_V
4089	26082_D_1046761	1046761_D_3_0	0	4089_002T	26082_I

• route_id: (int) Identifier of the route.
• service_id: (str) Identifier for a group of trips on specific days.
• trip_id: (str) Identifier for the trip.
• direction_id: (int) Indicates direction: 0 = one way, 1 = return.
• block_id: (str) Used for blocking trips together.
• shape_id: (str) Identifier for the shape of the route.

GTFS Stops Times

Chronological order of bus stops where each trip paused.

trip_id	arrival_time	departure_time	stop_id	stop_sequence	pickup_type	drop_off_type
1046761_D_1_0	08:30:00	08:30:00	43968810	1	0	0
1046761_D_1_0	08:31:41	08:31:41	47566106	2	0	0
1046761_D_1_0	08:33:49	08:33:49	44782337	3	0	0
1046761_D_1_0	08:34:55	08:34:55	44784470	4	0	0
1046761_D_1_0	08:35:44	08:35:44	44784471	5	0	0

• trip_id: (str) Identifier for the trip.
• arrival_time: (str) Time the vehicle arrives at the stop.
• departure_time: (str) Time the vehicle departs from the stop.
• stop_id: (str) Identifier of the stop.
• stop_sequence: (int) Order of the stop in the trip.
• pickup_type: (int) Indicates pickup behavior.
• drop_off_type: (int) Indicates drop-off behavior.

GTFS Stops

Information about each bus stop.

stop_id	stop_name	latitude	longitude	location_type	parent_station
43968810_S	R. São Cristóvão 2	-12.931565284729	-38.444393157959	1
43968810	R. São Cristóvão 2	-12.931565284729	-38.444393157959	0	43968810_S
47566106_S	Av. Ulysses Guimarães 4067	-12.93385887146	-38.4467735290527	1
47566106	Av. Ulysses Guimarães 4067	-12.93385887146	-38.4467735290527	0	47566106_S
44782337	Av. Ulysses Guimarães 4314-4322	-12.9351501464844	-38.4405784606934	0

• stop_id: (str) Unique identifier for the bus stop.
• stop_name: (str) Name or description of the stop.
• latitude/longitude: (float) Coordinates of the stop.
• location_type: (int) 0 for stop, 1 for station.
• parent_station: (str) ID of the parent station, if applicable.

Local Trip Information (LTI)

Maps the start and end of each trip made by a vehicle on a specific route. Complements the AVL dataset, which lacks trip start/end information. The activity field indicates whether a vehicle is starting a trip normally, leaving the garage, or returning to it.

route_short_name	service_code	direction_id	vehicle	start_trip	end_trip	activity
T014	74335	I	20401	01/03/2024 17:03:49	01/03/2024 17:10:45	Leaving the garage
T014	74335	I	20516	01/03/2024 05:37:16	01/03/2024 05:40:36	Leaving the garage
T014	74335	I	20516	01/03/2024 17:11:40	01/03/2024 17:20:58	Normal
T014	74335	I	20086	01/03/2024 05:39:27	01/03/2024 05:46:38	Leaving the garage
T014	74335	I	20401	01/03/2024 12:37:47	01/03/2024 12:42:04	Returning to the garage

• route_short_name: (str) Short name/code for the route.
• service_code: (str) Identifier for the specific service the trip belongs to.
• direction_id: (str) Indicates travel direction: 'I' (one-way) or 'V' (return).
• vehicle: (int) Identifier of the vehicle.
• start_trip: (datetime) Timestamp of trip start.
• end_trip: (datetime) Timestamp of trip end.
• activity: (str) Classification of trip type: “Normal”, “Leaving the garage”, or “Returning to the garage”.

Boarding

A comprehensive table integrating data from AFC, LTI, AVL, and GTFS sources. It includes trip metadata, fare details, vehicle IDs, timestamps, and derived metrics for analysis. The type_bus, classification, and motive columns support detailed investigation into operational patterns.

tripuserid	type_bus	user_type	set	registers	trip_id	start_trip	end_trip	tolerance	integration	cod_card	stop_time	register_time	service_code	route_short_name	vehicle_afc	vehicle	stop_id	order	direction_id	trip_em	dif_boarding	trip	classification	motive	trip	set_nb	stop_time_nb	route_short_name_nb	vehicle_nb	stop_id_nb	diff_nb	motive_pe	target_boarding
02300033357538_...	bus	driver	company_i	2	20097_0310_7	2024-03-01 17:56:43	2024-03-01 20:08:27	NaT	False	2300033357538	2024-03-01 19:36:35	2024-03-01 18:48:30	45546	0310	20097	20097	44782849	1.0	I	7.0	48.083	Inside	irregular	excessive time	firt_trip	company_i	2024-03-01 20:04:39	1067	20446	44164980	0.53	regular	irregular

• tripuserid: (str) Unique ID composed of the card number and registration time.
• type_bus: (str) Type of the bus (e.g., regular, BRT, subway).
• user_type: (str) Role of the user (e.g., driver).
• set: (str) Company or data subset ID.
• registers: (int) Number of validation events registered in the trip.
• trip_id: (str) Unique trip ID including vehicle, route, and sequence.
• start_trip: (datetime) Time when the trip started.
• end_trip: (datetime) Time when the trip ended.
• tolerance: (datetime or NaT) Tolerance timestamp for delay analysis.
• integration: (bool) Whether the trip was part of an integration with other services.
• cod_card: (str) Anonymized card code used by the passenger.
• stop_time: (datetime) Timestamp when the user validated the fare.
• register_time: (datetime) Time when the record was registered.
• service_code: (str) Code identifying the service.
• route_short_name: (str) Short name of the route.
• vehicle_afc: (int) Vehicle ID from AFC dataset.
• vehicle: (int) Main vehicle ID associated with the trip.
• stop_id: (str) ID of the stop where boarding occurred.
• order: (float) Order of stop along the route.
• direction_id: (str) Direction of the route ('I' or 'V').
• trip_em: (float) Trip sequence identifier.
• dif_boarding: (float) Difference in minutes between register time and stop time.
• trip: (str) Position of trip (e.g., first_trip).
• classification: (str) Type of boarding (e.g., regular, irregular).
• motive: (str) Reason for classification (e.g., excessive time).
• set_nb: (str) Company or subset ID for neighboring trip.
• stop_time_nb: (datetime) Neighboring stop timestamp.
• route_short_name_nb: (str) Neighboring route short name.
• vehicle_nb: (int) Vehicle ID for neighboring trip.
• stop_id_nb: (str) Stop ID for neighboring boarding.
• diff_nb: (float) Time difference (minutes) to neighboring boarding.
• motive_pe: (str) Evaluation of neighboring motive (e.g., regular).
• target_boarding: (str) Target classification for boarding analysis.

Alighting

Features estimated alighting information inferred from passenger behavior, including walking metrics and transfer patterns.

tripuserid	stop_time_ali	stop_id_ali	order_ali	walk_target	trip_ali	walk_dis	walk_time	walk_speed	diff_de_pe	wait_time	trip_dis	trip_time	vel_media	bridge	bridge_type	bridge_id	chain	target_ws	target_avs	target_tt	target_td	target_alighting
02300033520791_20240301104958	2024-03-01 10:55:27	44165441	6.0	excessive	8.0	1.299	15.588	5.5	68.4	52.812	1.884	5	22	False	no bridge	None	bus-bus	regular	regular	regular	regular	regular

• tripuserid: (str) Composite identifier combining the anonymized card ID and timestamp.
• stop_time_ali: (datetime) Estimated alighting time.
• stop_id_ali: (str) ID of the stop where alighting is inferred.
• order_ali: (float) Sequence order of the alighting event.
• walk_target: (str) Classification of walking behavior post-alighting.
• trip_ali: (float) Number of trips associated with the alighting.
• walk_dis: (float) Estimated walking distance in kilometers.
• walk_time: (float) Estimated walking time in minutes.
• walk_speed: (float) Estimated walking speed in km/h.
• diff_de_pe: (float) Difference between estimated and actual walking distance.
• wait_time: (float) Estimated waiting time at the stop in minutes.
• trip_dis: (float) Distance covered during the trip in kilometers.
• trip_time: (float) Duration of the trip in minutes.
• vel_media: (float) Average speed during the trip in km/h.
• bridge: (bool) Indicates if a bridge was used during the trip.
• bridge_type: (str) Type of bridge used, if any.
• bridge_id: (str) Identifier of the bridge, if applicable.
• chain: (str) Sequence of transport modes used.
• target_ws: (str) Target walking speed classification.
• target_avs: (str) Target average speed classification.
• target_tt: (str) Target trip time classification.
• target_td: (str) Target trip distance classification.
• target_alighting: (str) Target alighting behavior classification.

Origin-Destination (OD)

Features estimated full trips by passengers, enabling analysis of bus loading at stops and along routes.

route_short_name	register_code	direction_id	pt_sequence	stop_id	vehicle	trip_number	trip_id	start_trip	end_trip	stop_time	n-boardings	n-alighting	lag_loading	balance	loading
1521	55037	I	1	46021891	30661	1	30661_1521_1266	2024-03-01 06:59:11	2024-03-01 07:15:22	2024-03-01 06:59:11	42.0	0.0	0	0	42,00

• route_short_name: (str) Bus line identifier.
• register_code: (int) Service registration code.
• direction_id: (str) Direction of the trip: 'I' (one-way) or 'V' (return).
• pt_sequence: (int) Sequence number of the public transport segment.
• stop_id: (int) Identifier of the stop.
• vehicle: (int) Vehicle code.
• trip_number: (int) Sequential number of the trip.
• trip_id: (str) Unique identifier for the trip.
• start_trip: (datetime) Start time of the trip.
• end_trip: (datetime) End time of the trip.
• stop_time: (datetime) Time at the stop.
• n-boardings: (float) Number of boardings at the stop.
• n-alighting: (float) Number of alightings at the stop.
• lag_loading: (int) Loading from the previous stop.
• balance: (int) Net change in passenger count.
• loading: (double) Total passengers on board after the stop.