TX Spur 399 Map 2024-06-26 Roadnow Traffic | Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Map for major citites along TX Spur 399 McKinney Map TX Spur 399 Exit/Junction Map Junction @ Sam Rayburn Tollway(TX SRT) Map Nearby city: McKinney Junction @ South McDonald Street(TX 5) Map Nearby city: McKinney Junction @ Sam Rayburn Tollway(TX SRT);Central Expressway(TX 121);US 75 Map Nearby city: McKinney