Show vehicle number when more than one object was clicked

 map.js

@@ -659,6 +659,9 @@
            if(typeof typeName === 'undefined') {
                typeName = '';
            }
            if(feature.get('vehicle_type')) {
                typeName += ' ' + feature.get('vehicle_type').num;
            }
            
            addElementWithText(a, 'span', typeName).className = 'small';
            a.appendChild(document.createTextNode(' '));