2023-07-23 Route Amendment for Temporary Closure of PIE Exit 17D Slip Road Route Amendment for Temporary Closure of PIE Exit 17D Slip Road 23 July 2023 Route Amendment for Temporary Closure of PIE Exit 17D Slip Road From Sunday, 23 July 2023, SBS Transit Bus Services 132 & 156 towards Hougang Central Int & Sengkang Int respectively