Engineers, designers out to save 100-year tree NESPAK, LRRA officials review progress on Ring Road project Rawalpindi commissioner asks NesPak to finalise design of 38-kilometres-long ring road from Rawat to Thalian on the Motorway. PHOTO: EXPRESS/FILE RAWALPINDI: The officials of the National Engineering Services of Pakistan (NESPAK), Lahore Ring Road Authority (LRRA) and Public Private Partnership Authority (PPPA) toured the hour-long 66.3 kilometre track of the Rawalpindi Ring Road (RRR), a spokesperson shared on Sunday. The stakeholders also reviewed various proposals to save the more than a century old banyan tree at Radio Pakistan Interchange, the starting point of the project.