1877 establishment of a voluntary fire-brigade. 1878 the road bridge collapses, as floodwater wash away the columns from under the bridge and deposit them 50 meters up the Lech. An emergency bridge is constructed in its place. 1891 a road bridge made of iron replaces the emergency bridge which was established in 1878. 1905 the parish of Friedbergerau takes the name Hochzoll. 1910 a flood damages large parts of the village. The old weir on the Lech – called Hochablass (high drain) – was destroyed by the flood and reconstructed later. 1911 first electrical road lighting. 1913 incorporation: Together with Lechhausen the village of Hochzoll, whose population has increased in the meantime to 1708 inhabitants, becomes a district of Augsburg. 1915/1916 a new school building "Holzerau" is established. 1926 a new steel arch construction replaces the lattice bridge of the railway. This "new" bridge was still in use up to the year 2002. 1928 new building of a 120 meters long steel-reinforced concrete bridge, which was renovated in 1990. 1929 Hochzoll is attached to the town gas supply network. 1934 the Straßenbahn line 6 is built on the Friedberger road, over the Lech bridge, and up to Zugspitz street. (opened on 9 May 1934) 1944 several houses fall victim to allied bombs. 1945, 28 April, the US army rolls unhindered through Hochzoll towards Friedberg. 1946 war refugees find a new homeland in Hochzoll. 1954 there are now over 5.000 inhabitants. 1957 laying of the foundation stone of the European village. 1969 Hochzoll is divided into north and south. Starting from 1970 the settlement of Hochzoll begins, with the establishment of housing estates south of Oberländer street, to push against its boundaries. 1972 the Eiskanal (a canoe racing channel running parallel to the Lech) is built as part of the 1972 Summer Olympic games held in Munich. As part of the construction measures of the Eiskanal, the Kuhsee is built in the popular local recreation area in the south of Hochzoll. Also in this year the fifth to eighth level auxiliary classes, which were previously provided at the Holbein-Gymnasium (specialising in the natural sciences and languages), were shifted to the now finished Rudolf Diesel Gymnasium. At present over 1.150 pupils visit this Gymnasium (High School). 1976 16 September, the Rudolf Diesel Gymnasium at Friedberger street takes up its training enterprise. 1990 reconstruction of the road bridge 2000–2003 the 1926 built railway