Texarkana is a city bisected by the Texas-Arkansas border; the west side of town is in Texas and the east side is in Arkansas. State Line Avenue runs right on the borderline.
Shreveport Regional Airport (IATA: SHV)  in Louisiana is the closest airport served by all three major airline alliances. American (oneworld), Delta (SkyTeam), and United (Star Alliance) serve the airport. In addition, Allegiant Air has service from Las Vegas.
Interstate Highway 30 (I-30) runs through north Texarkana and serves as part of the city's loop. US Route 71 (US-71) enters from Shreveport, Louisiana in the south and continues to Ft. Smith Arkansas in the North. US-71 serves as the dividing line between the Texas and Arkansas sides of the city through downtown. US Route 59 (US-59) Enters through the southwest corner of town where it merges with Loop 245 and I-30, which it follows out of town. US Route 67 (US-67) enters on the Texas side from Dallas in the middle of the city and exits in the northeast corner, headed to Little Rock. US Route 82 (US-82) enters Texarkana shadowing I-30 from Dallas, but takes a straighter path through the city. It exits town on the Arkansas side and continues through Mississippi and Georgia.
Amtrak, 100 E Front St, . Amtrak serves Texarkana via its Texas Eagle route.
By public transit
The Texas side of town is in the 903 area code, while the Arkansas side is in the 870 area code.