The Georgia Department of Transportation has been busy this spring repaving portions of I-75 in Northwest Georgia.  According to the DOT, on Monday, weather permitting,  GDOT maintenance crews will be resurfacing a portion of I-75 in Whitfield County on Monday. The repairs will close two northbound left lanes, and motorists should expect delays.  The work is expected to get underway on May 3rd at 9 AM and continue until 4:30 PM.  The two northbound lands of I-75 will be closed between mileposts 328.8 and 329.2.