Complex sentence: Frederiksberg Allé was finally opened to private traffic in 1833 and the iron gate was dismantled in 1862 and later installed at Søndermarken's entrance on the corner of Pile Allé and Roskildevej.
Split into simpler sentences: Frederiksberg Allé was finally opened to private traffic in 1833. The iron gate was dismantled in 1862 and later installed at Søndermarken's entrance on the corner of Pile Allé and Roskildevej.