Bus stops

= Bus line network and routing

== The setup

This is the bus network for one Bus line `21` with a number of bus stops.

//setup
//hide
[source,cypher]
----
CREATE (s1913:Neo4jStop {key:1913,name:"La Défense (Grande Arche)",latitude:48.89200565400341,longitude:2.2369831238174327})
CREATE (e2084:Neo4jStop {key:2084,name:"Charles de Gaulle-Etoile",latitude:48.87416474488983,longitude:2.29507256293689})
CREATE (s1913)-[:STOPS_STOPS  {min_time:240000,max_time:240000,lineId:21}]->(e2084)
CREATE (e2053:Neo4jStop {key:2053,name:"Auber",latitude:48.87260817994105,longitude:2.3297068164482293})
CREATE (s2084)-[:STOPS_STOPS  {min_time:240000,max_time:240000,lineId:21}]->(e2053)
CREATE (e1967:Neo4jStop {key:1967,name:"Châtelet-Les Halles",latitude:48.86146371055862,longitude:2.346844131603014})
CREATE (s2053)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1967)
CREATE (e1956:Neo4jStop {key:1956,name:"Gare de Lyon",latitude:48.844804715128525,longitude:2.3738435712712422})
CREATE (s1967)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1956)
CREATE (e1835:Neo4jStop {key:1835,name:"Nation",latitude:48.8484803444062,longitude:2.39676520957729})
CREATE (s1956)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1835)
CREATE (e1631:Neo4jStop {key:1631,name:"Vincennes",latitude:48.84732387116057,longitude:2.433531596877892})
CREATE (s1835)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1631)
CREATE (e1689:Neo4jStop {key:1689,name:"Val de Fontenay",latitude:48.853539865493715,longitude:2.4886196422410003})
CREATE (s1631)-[:STOPS_STOPS  {min_time:240000,max_time:240000,lineId:21}]->(e1689)
CREATE (e1837:Neo4jStop {key:1837,name:"Neuilly-Plaisance",latitude:48.853415709406356,longitude:2.5135425883128466})
CREATE (s1689)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1837)
CREATE (e2010:Neo4jStop {key:2010,name:"Bry-sur-Marne",latitude:48.8445340667769,longitude:2.5265438463007914})
CREATE (s1837)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e2010)
CREATE (e1652:Neo4jStop {key:1652,name:"Noisy-le-Grand (Mont d'Est)",latitude:48.84079514562774,longitude:2.548002629723796})
CREATE (s2010)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1652)
CREATE (s1713:Neo4jStop {key:1713,name:"Rueil-Malmaison",latitude:48.88722206053287,longitude:2.170623204930391})
CREATE (e1831:Neo4jStop {key:1831,name:"Nanterre-Ville",latitude:48.89532514729429,longitude:2.1958404738707524})
CREATE (s1713)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1831)
CREATE (e1830:Neo4jStop {key:1830,name:"Nanterre-Université",latitude:48.90145806746532,longitude:2.215467319236829})
CREATE (s1831)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1830)
CREATE (e1829:Neo4jStop {key:1829,name:"Nanterre-Préfecture",latitude:48.89565993203451,longitude:2.2231003280556174})
CREATE (s1830)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1829)
CREATE (s1829)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1913)
CREATE (e1840:Neo4jStop {key:1840,name:"Noisy-Champs",latitude:48.8426611070816,longitude:2.578252451182644})
CREATE (s1652)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1840)
CREATE (e1839:Neo4jStop {key:1839,name:"Noisiel",latitude:48.84348503430221,longitude:2.616614613852153})
CREATE (s1840)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1839)
CREATE (e1859:Neo4jStop {key:1859,name:"Lognes",latitude:48.838922336696,longitude:2.633949874255556})
CREATE (s1839)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1859)
CREATE (e1636:Neo4jStop {key:1636,name:"Torcy",latitude:48.83972842272958,longitude:2.655903115145281})
CREATE (s1859)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1636)
CREATE (e2012:Neo4jStop {key:2012,name:"Bussy-Saint-Georges",latitude:48.8370461919234,longitude:2.7098841280452173})
CREATE (s1636)-[:STOPS_STOPS  {min_time:240000,max_time:240000,lineId:21}]->(e2012)
CREATE (e161468:Neo4jStop {key:161468,name:"Val d'europe",latitude:48.855087772415835,longitude:2.774926121592525})
CREATE (s2012)-[:STOPS_STOPS  {min_time:240000,max_time:240000,lineId:21}]->(e161468)
CREATE (e1885:Neo4jStop {key:1885,name:"Marne-la-Vallée Chessy",latitude:48.871173167841604,longitude:2.7828140416090412})
CREATE (s161468)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1885)
CREATE (s1670:Neo4jStop {key:1670,name:"Saint-Germain-en-Laye",latitude:48.89830860836054,longitude:2.09511210577148})
CREATE (e1851:Neo4jStop {key:1851,name:"Le Vésinet-Le Pecq",latitude:48.89835089406469,longitude:2.121828925443024})
CREATE (s1670)-[:STOPS_STOPS  {min_time:240000,max_time:240000,lineId:21}]->(e1851)
CREATE (e1850:Neo4jStop {key:1850,name:"Le Vésinet-Centre",latitude:48.89009570633796,longitude:2.1343746143232596})
CREATE (s1851)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1850)
CREATE (e1970:Neo4jStop {key:1970,name:"Chatou-Croissy",latitude:48.885142071685785,longitude:2.155625867018615})
CREATE (s1850)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1970)
CREATE (s1970)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1713)
CREATE (e1943:Neo4jStop {key:1943,name:"Fontenay-sous-Bois",latitude:48.8434118592224,longitude:2.464815403274336})
CREATE (s1631)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1943)
CREATE (e1838:Neo4jStop {key:1838,name:"Nogent-sur-Marne",latitude:48.83510877417377,longitude:2.4716839161590887})
CREATE (s1943)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1838)
CREATE (e1904:Neo4jStop {key:1904,name:"Joinville-le-Pont",latitude:48.821069678359656,longitude:2.4638349563053548})
CREATE (s1838)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1904)
CREATE (e1671:Neo4jStop {key:1671,name:"Saint-Maur Créteil",latitude:48.80641960896216,longitude:2.47204505094563})
CREATE (s1904)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1671)
CREATE (e1848:Neo4jStop {key:1848,name:"Le Parc de Saint-Maur",latitude:48.80515416622947,longitude:2.4856075719006507})
CREATE (s1671)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1848)
CREATE (e2024:Neo4jStop {key:2024,name:"Champigny",latitude:48.80703580209233,longitude:2.509901668386353})
CREATE (s1848)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e2024)
CREATE (e1919:Neo4jStop {key:1919,name:"La Varenne-Chennevières",latitude:48.7949153076683,longitude:2.5132215474075674})
CREATE (s2024)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1919)
CREATE (e1680:Neo4jStop {key:1680,name:"Sucy Bonneuil",latitude:48.77105153303763,longitude:2.507511268345535})
CREATE (s1919)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1680)
CREATE (e2074:Neo4jStop {key:2074,name:"Boissy-Saint-Léger",latitude:48.752988644666615,longitude:2.5052228459567494})
CREATE (s1680)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e2074)
CREATE (s48429:Neo4jStop {key:48429,name:"Cergy-Le-Haut",latitude:49.048547258734644,longitude:2.0120551690790514})
CREATE (e2022:Neo4jStop {key:2022,name:"Cergy-Saint-Christophe",latitude:49.04954211817629,longitude:2.0350436480345913})
CREATE (s48429)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e2022)
CREATE (e2021:Neo4jStop {key:2021,name:"Cergy-Préfecture",latitude:49.03594383494343,longitude:2.0801437572429307})
CREATE (s2022)-[:STOPS_STOPS  {min_time:240000,max_time:240000,lineId:21}]->(e2021)
CREATE (e48433:Neo4jStop {key:48433,name:"Neuville-Université",latitude:49.014337292933675,longitude:2.0784342019585837})
CREATE (s2021)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e48433)
CREATE (e1983:Neo4jStop {key:1983,name:"Conflans-Fin d'Oise",latitude:48.99071051507488,longitude:2.073609141668205})
CREATE (s48433)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1983)
CREATE (e2039:Neo4jStop {key:2039,name:"Achères-Ville",latitude:48.970077176304514,longitude:2.0776181820083806})
CREATE (s1983)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e2039)
CREATE (e1878:Neo4jStop {key:1878,name:"Maisons-Laffitte",latitude:48.94604723230418,longitude:2.144251676642267})
CREATE (s2039)-[:STOPS_STOPS  {min_time:360000,max_time:360000,lineId:21}]->(e1878)
CREATE (e1643:Neo4jStop {key:1643,name:"Sartrouville",latitude:48.93751218318358,longitude:2.157311047020583})
CREATE (s1878)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1643)
CREATE (e1894:Neo4jStop {key:1894,name:"Houilles Carrières-sur-Seine",latitude:48.920645595306866,longitude:2.1844117553489246})
CREATE (s1643)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1894)
CREATE (s1894)-[:STOPS_STOPS  {min_time:300000,max_time:300000,lineId:21}]->(e1829)
CREATE (s1689)-[:STOPS_STOPS  {min_time:300000,max_time:300000,lineId:21}]->(e1652)
CREATE (s1801:Neo4jStop {key:1801,name:"Poissy",latitude:48.933164262405,longitude:2.041083510970564})
CREATE (e2776542:Neo4jStop {key:2776542,name:"Acheres Grand Cormier",latitude:48.95518178055726,longitude:2.0925262190765865})
CREATE (s1801)-[:STOPS_STOPS  {min_time:240000,max_time:240000,lineId:21}]->(e2776542)
CREATE (s2776542)-[:STOPS_STOPS  {min_time:240000,max_time:240000,lineId:21}]->(e1878)
CREATE (s2074)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1680)
CREATE (s1680)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1919)
CREATE (s1919)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e2024)
CREATE (s2024)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1848)
CREATE (s1848)-[:STOPS_STOPS  {min_time:60000,max_time:60000,lineId:21}]->(e1671)
CREATE (s1671)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1904)
CREATE (s1904)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1838)
CREATE (s1838)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1943)
CREATE (s1943)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1631)
CREATE (s1631)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1835)
CREATE (s1835)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1956)
CREATE (s1956)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1967)
CREATE (s1967)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e2053)
CREATE (s2053)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e2084)
CREATE (s2084)-[:STOPS_STOPS  {min_time:240000,max_time:240000,lineId:21}]->(e1913)
CREATE (s1913)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1829)
CREATE (s1829)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1830)
CREATE (s1830)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1831)
CREATE (s1831)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1713)
CREATE (s1713)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1970)
CREATE (s1970)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1850)
CREATE (s1850)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1851)
CREATE (s1851)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1670)
CREATE (s1652)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e2010)
CREATE (s2010)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1837)
CREATE (s1837)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1689)
CREATE (s1689)-[:STOPS_STOPS  {min_time:240000,max_time:240000,lineId:21}]->(e1631)
CREATE (s1885)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e161468)
CREATE (s161468)-[:STOPS_STOPS  {min_time:240000,max_time:240000,lineId:21}]->(e2012)
CREATE (s2012)-[:STOPS_STOPS  {min_time:240000,max_time:240000,lineId:21}]->(e1636)
CREATE (s1636)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1859)
CREATE (s1859)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1839)
CREATE (s1839)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1840)
CREATE (s1840)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1652)
CREATE (s1829)-[:STOPS_STOPS  {min_time:240000,max_time:240000,lineId:21}]->(e1894)
CREATE (s1894)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1643)
CREATE (s1643)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e1878)
CREATE (s1878)-[:STOPS_STOPS  {min_time:300000,max_time:300000,lineId:21}]->(e2776542)
CREATE (s2776542)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1801)
CREATE (s1652)-[:STOPS_STOPS  {min_time:300000,max_time:300000,lineId:21}]->(e1689)
CREATE (s1878)-[:STOPS_STOPS  {min_time:420000,max_time:420000,lineId:21}]->(e2039)
CREATE (s2039)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e1983)
CREATE (s1983)-[:STOPS_STOPS  {min_time:180000,max_time:180000,lineId:21}]->(e48433)
CREATE (s48433)-[:STOPS_STOPS  {min_time:240000,max_time:240000,lineId:21}]->(e2021)
CREATE (s2021)-[:STOPS_STOPS  {min_time:240000,max_time:240000,lineId:21}]->(e2022)
CREATE (s2022)-[:STOPS_STOPS  {min_time:120000,max_time:120000,lineId:21}]->(e48429)
----

== Find the outer stops for line 21

Here, we want to find what nodes have only one relationship in this line `21`

[source,cypher]
----
MATCH (stop1)-[r]-(s2)
WHERE r.lineId?=21
WITH count(r) AS count, stop1 
WHERE count = 1 
RETURN stop1
----

//table

== Find all the stops for Line `21` to create a map

Here, all the stops that make up the line should be found in order to create a map, using the lat/lon properties on the stop nodes.

[source,cypher]
----
MATCH (stop1)-[r]->(stop2) 
WHERE r.lineId?=21 
RETURN stop1, r, stop2
----

//table

== console

//console