News Dysart Et Al Keeping An Eye On Future Load Restrictions SHARE ON: Kaitlin Livingston, contributor, Tuesday, Mar. 1st, 2016 Load restrictions could happen at any time because of the thaw periods from March to mid-May. The Municipality of Dysart Et Al is monitoring the thaw progression to determine when the load restrictions will happen. Restrictions will be in effect once signs have been displayed on roadways. Vehicles that weigh 5 tonnes will be prohibited. Once the signs are removed the load restrictions are no longer in effect.