| gptkbp:instanceOf | gptkb:railway_station 
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                                | gptkbp:color | blue 
 | 
                        
                            
                                | gptkbp:connectsTo | gptkb:Green_Line gptkb:Orange_Line
 gptkb:Silver_Line
 gptkb:COASTER
 gptkb:Amtrak_Pacific_Surfliner
 
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                                | gptkbp:easternTerminus | gptkb:San_Ysidro_Transit_Center gptkb:UTC_Transit_Center
 
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                                | gptkbp:electrification | 600 V DC overhead line 
 | 
                        
                            
                                | gptkbp:extensionName | gptkb:Mid-Coast_Extension 
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                                | gptkbp:extensionOpened | November 21, 2021 
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                                | gptkbp:length | 26.3 miles 
 | 
                        
                            
                                | gptkbp:numberOfStations | 32 
 | 
                        
                            
                                | gptkbp:opened | July 26, 1981 
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                                | gptkbp:operatedBy | gptkb:San_Diego_Metropolitan_Transit_System 
 | 
                        
                            
                                | gptkbp:originalName | gptkb:South_Line 
 | 
                        
                            
                                | gptkbp:partOf | gptkb:San_Diego_Trolley 
 | 
                        
                            
                                | gptkbp:publicTransit | gptkb:Pronto_Card 
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                                | gptkbp:serves | gptkb:Chula_Vista gptkb:UC_San_Diego
 gptkb:Old_Town_Transit_Center
 gptkb:Downtown_San_Diego
 National City
 San Ysidro
 
 | 
                        
                            
                                | gptkbp:servesArea | gptkb:San_Diego,_California 
 | 
                        
                            
                                | gptkbp:trackGauge | standard gauge 
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                                | gptkbp:website | https://www.sdmts.com/schedules-real-time/trolley/blue-line 
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                                | gptkbp:bfsParent | gptkb:San_Diego_Metropolitan_Transit_System 
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                                | gptkbp:bfsLayer | 5 
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                                | https://www.w3.org/2000/01/rdf-schema#label | UC San Diego Blue Line 
 |