| gptkbp:instanceOf | gptkb:road 
 | 
                        
                            
                                | gptkbp:connectsRegion | gptkb:London gptkb:Southampton
 gptkb:South_East_England
 
 | 
                        
                            
                                | gptkbp:connectsTo | gptkb:M27_motorway gptkb:M25_motorway
 
 | 
                        
                            
                                | gptkbp:constructionStartYear | 1968 
 | 
                        
                            
                                | gptkbp:country | gptkb:United_Kingdom 
 | 
                        
                            
                                | gptkbp:crosses | gptkb:River_Thames gptkb:River_Itchen
 
 | 
                        
                            
                                | gptkbp:hasJunctionWith | gptkb:Junction_12 gptkb:Junction_13
 gptkb:Junction_14
 gptkb:Junction_15
 gptkb:Junction_16
 gptkb:Junction_8
 gptkb:Junction_9
 gptkb:Junction_1
 gptkb:Junction_2
 gptkb:Junction_3
 gptkb:Junction_4
 gptkb:Junction_5
 gptkb:Junction_6
 gptkb:Junction_7
 Junction 10
 Junction 11
 Junction 4a
 
 | 
                        
                            
                                | gptkbp:hasSmartMotorwaySection | yes 
 | 
                        
                            
                                | gptkbp:length | 59 miles 
 | 
                        
                            
                                | gptkbp:locatedIn | gptkb:England 
 | 
                        
                            
                                | gptkbp:maintainedBy | gptkb:National_Highways 
 | 
                        
                            
                                | gptkbp:mapType | M3 motorway (Great Britain) map.svg 
 | 
                        
                            
                                | gptkbp:maximumSpeed | 70 mph 
 | 
                        
                            
                                | gptkbp:notableFeature | gptkb:Twyford_Down_cutting 
 | 
                        
                            
                                | gptkbp:opened | 1971 
 | 
                        
                            
                                | gptkbp:partOf | British motorway network 
 | 
                        
                            
                                | gptkbp:passesThrough | gptkb:Surrey gptkb:Hampshire
 
 | 
                        
                            
                                | gptkbp:roadType | dual carriageway 
 | 
                        
                            
                                | gptkbp:routeNumber | gptkb:M3 
 | 
                        
                            
                                | gptkbp:servesArea | gptkb:Fleet_Services gptkb:Winchester_Services
 
 | 
                        
                            
                                | gptkbp:servesCity | gptkb:Southampton gptkb:Winchester
 gptkb:Basingstoke
 
 | 
                        
                            
                                | gptkbp:terminus | gptkb:Southampton gptkb:Sunbury-on-Thames
 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:A34_road gptkb:Belfast_Harbour
 
 | 
                        
                            
                                | gptkbp:bfsLayer | 5 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | M3 motorway 
 |