There are basically two kinds of projects. One is the greenfield projects where we are going to construct an absolutely new line. The other type is where we construct along the existing track, the doubling or third or fourth lines.
A clover bridge is being planned on the busy Chandigarh-Mullanpur road by the Chandigarh Union Territory (UT) aadministration to ease congestion. A clover bar bridge is usually built across rivers with at least three lanes to carry huge traffic. Such type of bridges were constructed abroad as back as early 70s.