River Oaks Drive will close the intersection with 36th Avenue NW on the west side beginning 8 a.m. through 5 p.m. Tuesday, in association with the 36th Avenue NW widening project. AT&T's subcontractor January Construction is relocating and lowering their existing cable duct run to accommodate the new widening of 36th Avenue NW. Signs will be placed accordingly to direct the traveling public. Additional questions may be directed to the City of Norman capital projects engineer, Lonnie Ferguson at 366-5454.