| gptkbp:instanceOf | gptkb:state_highway 
 | 
                        
                            
                                | gptkbp:abbreviation | gptkb:I-45 
 | 
                        
                            
                                | gptkbp:connects | gptkb:Dallas,_Texas gptkb:Galveston,_Texas
 
 | 
                        
                            
                                | gptkbp:country | gptkb:United_States 
 | 
                        
                            
                                | gptkbp:directionA | North South
 
 | 
                        
                            
                                | gptkbp:established | 1971 
 | 
                        
                            
                                | gptkbp:hasAuxiliaryRoute | gptkb:Interstate_345 Interstate 145 (proposed)
 Interstate 245 (proposed)
 Interstate 45 Spur
 
 | 
                        
                            
                                | gptkbp:hasHOVLanes | Houston area 
 | 
                        
                            
                                | gptkbp:length | 284.913 miles 
 | 
                        
                            
                                | gptkbp:maintainedBy | gptkb:Texas_Department_of_Transportation 
 | 
                        
                            
                                | gptkbp:majorJunction | gptkb:Interstate_610 gptkb:U.S._Route_287
 gptkb:U.S._Route_75
 gptkb:Interstate_20
 gptkb:U.S._Route_59
 gptkb:Interstate_30
 Interstate 10
 
 | 
                        
                            
                                | gptkbp:mapType | Texas Interstate 45 map.svg 
 | 
                        
                            
                                | gptkbp:maximumSpeed | lower in urban areas up to 75 mph in rural areas
 
 | 
                        
                            
                                | gptkbp:namedFor | none 
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                                | gptkbp:notableFeature | only primary interstate located entirely within one state (Texas) 
 | 
                        
                            
                                | gptkbp:parallelTo | gptkb:U.S._Route_75 
 | 
                        
                            
                                | gptkbp:partOf | gptkb:Dwight_D._Eisenhower_National_System_of_Interstate_and_Defense_Highways 
 | 
                        
                            
                                | gptkbp:passesThrough | gptkb:Corsicana,_Texas gptkb:Houston,_Texas
 gptkb:Conroe,_Texas
 gptkb:Ennis,_Texas
 
 | 
                        
                            
                                | gptkbp:routeNumber | 45 
 | 
                        
                            
                                | gptkbp:runsThrough | gptkb:Walker_County,_Texas gptkb:Navarro_County,_Texas
 gptkb:Ellis_County,_Texas
 gptkb:Harris_County,_Texas
 gptkb:Madison_County,_Texas
 gptkb:Montgomery_County,_Texas
 gptkb:Freestone_County,_Texas
 gptkb:Leon_County,_Texas
 gptkb:Dallas_County,_Texas
 
 | 
                        
                            
                                | gptkbp:servesArea | gptkb:Dallas–Fort_Worth_metroplex gptkb:Houston_metropolitan_area
 
 | 
                        
                            
                                | gptkbp:state | gptkb:Texas 
 | 
                        
                            
                                | gptkbp:terminus | gptkb:Dallas,_Texas gptkb:Galveston,_Texas
 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:U.S._Highway_75_(historically) 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Interstate 45 (in Texas) 
 |