Volume 28 Issue No 02

The articles for this issue of El Puente Newsletter include:  Introduction of GRS-IBS in Puerto Rico; Design Phase: GRS-IBS Bridges Yauco, PR; Construction Phase: GRS-IBS Bridges Yauco, PR; Instrumentation: Bridge 1121 in Yauco, PR; Application of the E. DEMING Cycle to Health and Safety Systems (H&S); Successful Third Anniversary of the Decade of Action for Road Safety in Puerto Rico: 2011–2020; Know your Instructor: Daniel A. Wendichansky; PR LTAP Center Staff: Irmalí Franco-Ramírez.