Construction work is under way on Henry Drive on Fort Riley from Smokey Hill Road to Ray Road. Anyone using Henry Drive to enter or exit the post will be detoured around Marshall Army Airfield.Drivers may want to consider alternate routes. The Grant Avenue access control point has reopened to support traffic from west of&nbsp; the installation. One inbound lane at the Henry access control point will also be closed during construction. Henry Drive provides access to Fort Riley from I-70. This project should be completed in August.Drivers should be aware of pedestrian traffic on the detour rate.Continuing temporarily in support of field training exercises, the Estes access control point is open 5 a.m. to midnight daily to both inbound and outbound traffic.Grant access control point has reopened to both inbound and outbound traffic from 5 a.m. to 8 p.m. Monday through Friday. Grant gate will remain closed on weekends and federal holidays.Trooper Drive access control point is now open 24 hours a day, seven days a week.

Fort Riley updates access control operating hours and construction