I often handle the addition and removal of road closures via phone, but when I enter the dates, I am required to specify the type of event for it to be accepted. I believe it would be better to make the option more seamless, so that if "Add" is clicked, the road closure is added. If there is an event, I will certainly add it, but there’s no need to force me to select the "None" option just to proceed with the addition.