sentences:  Arkansas further divides SIU 13 into several smaller segments.Construction on the first leg of SIU-13, the eastern leg of the Monticello Bypass between US-425 and US-278 east of Monticello, began in November 2011.The first two lanes of the Monticello Bypass (initially signed as US-278 Bypass) opened to traffic on October 11, 2018 and represents the first I-69 mainline project to be completed in Arkansas.