Long Island Rail Road Expansion (3rd Track)
Of the several tasks that have been assigned to Siefert Associates from the 3rd Track Constructors JV, many are in full production mode. Weather it is a demo, erection or support of excavation assignment, Siefert Associates has been providing construction engineering services throughout the 10 mile project. The photos below show the elimination of the grade crossing on Urban Ave. in North Hempstead. Construction updates can be found here:
![](https://static.wixstatic.com/media/0830cc_5ee48615b4d84231a89eb5ac6c67350c~mv2.png/v1/fill/w_926,h_520,al_c,q_90,enc_auto/0830cc_5ee48615b4d84231a89eb5ac6c67350c~mv2.png)