Sydney Harbour Bridge run by two children from the nearby Fort Street Boys' and Girls' schools. After the official ceremonies, the public was allowed to walk across the bridge on the deck, something that would not be repeated until the 50th anniversary celebrations. Estimates suggest that between 300,000 and one million people took part in the opening festivities, a phenomenal number given that the entire population of Sydney at the time was estimated to be 1,256,000. There had also been numerous preparatory arrangements. On 14 March 1932, three postage stamps were issued to commemorate the imminent opening of the bridge. Several songs were
Sydney Harbour Bridge the T1 North Shore Line for Sydney Trains. The main roadway across the bridge is known as the Bradfield Highway and is about long, making it one of the shortest highways in Australia. The arch is composed of two 28-panel arch trusses; their heights vary from at the centre of the arch to at the ends next to the pylons. The arch has a span of and its summit is above mean sea level; expansion of the steel structure on hot days can increase the height of the arch by . The total weight of the steelwork of the bridge,