Bike to Work Day 2017, sponsored by Harford Commute Smart. The Havre de Grace event is Tuesday, May 16, 2017. The Aberdeen Proving Ground North event is on Wednesday, May 17. The Bel Air Bike to Work event is Thursday, May 18. The Aberdeen Proving Ground South (aka APG Edgewood area) event is on Tuesday, May 23 and will be held in the Freedom Federal Credit Union parking lot on Hoadley road.