It’s been month after month, meeting after meeting, but it’s finally finished. On Monday, the Planning Board approved a standard sign permit for the third and final freestanding entranceway sign at Cornerstone Square in a 3-2 decision.

The vote may have been the last planning and zoning measure for the entire plaza before its opening this fall, and could have potentially turned into a lawsuit against the town if it had failed, as noted during the meeting.

Cornerstone’s other two entranceway signs at Boston Road and the north side of Littleton Road next to Eastern Bank were granted special permits earlier in the month during a meeting that dragged on for nearly five hours. At that meeting where a determination that this sign on the south side of Littleton Road would only need a standard sign permit instead of a special permit.

The sign is slated at slightly over 50 square feet, a figure that Planning Board member Katie Hollister felt was inappropriate for a standard sign permit.

“I feel this is a special permit just by the math,” said Hollister.

However, Westford town planner Chris Kluchman informed Hollister that the board could not rescind its earlier decision on the opinion that this sign did not need a special permit.

Hollister and Denis Galvin opposed the measure while Matt Lewin, vice chairman Kevin Borselli and chairman Mike Green voted in favor.