People in Missouri are deciding if they want to extend the interstate into their state.
The 19-mile project would be built from Bentonville in to Pineville, Missouri, which would become a section of Interstate 49.
Arkansas voters approved the half cent sales tax to pay for its part of the two lane $150 million road project. But voters in Missouri are deciding if they want to pay for five miles of the bypass into their state costing them close to $40 million.
If Missouri voters reject the highway tax, the bypass will stop about two miles south of the Arkansas-Missouri border on County Road 34.
If the highway tax passes, people will be able to drive from Bentonville into Missouri on Interstate 49. The Bella Vista Bypass would complete I-49 from Fort Smith to Kansas City.
Interstate 49 ultimately will connect Louisiana all the way to Canada.
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