first things first: CONGRATS on the commute. Keep it up
Now, 1.4% is NOT the same as 1.4 degrees. Percent grade is rise/run: if you rise 2 feet after going 100ft down the road, that's a 2% grade. That section is interpreted as, "you rose 69 ft over the last .7 mile"
+1 above, whatever keeps you coming back for more