Land Transport Authority Parameters
Singapore's land transport planning and infrastructure authority
About LTA Requirements
LTA is responsible for transport infrastructure planning and development control related to vehicular access, active mobility provisions, and transport impact.[1] LTA reviews developments for compliance with Transport Impact Assessment (TIA) requirements, Active Mobility Checklist, and infrastructure coordination.
LTA's 43 IFC-SG parameters focus on vehicular access points, pedestrian routes, cycling path specifications, parking provisions, and external works interfacing with LTA infrastructure.[3] Projects within the Railway Protection Zone (RPZ) require additional Approval-in-Principle (AIP) for pile design.
Common pain points include TIA scoping process confusion (when is TIA required?), Active Mobility Checklist compliance,[2] and RPZ submissions for projects near MRT alignments. The PTAL (Public Transport Accessibility Level) score calculation requirement adds complexity for major developments.
Key Compliance Areas
Transport Impact Assessment
- TIA submission for developments meeting threshold criteria
- Traffic generation and distribution analysis
- Junction capacity assessment
- PTAL score calculation and comparison
- Mitigation measures for traffic impact
Active Mobility & Access
- Active Mobility Checklist submission with DC Plan
- Cycling path connectivity to public network
- End-of-trip facilities (bicycle parking, showers)
- Covered linkways to transport nodes
- Barrier-free pedestrian access
Infrastructure Coordination
- External works affecting LTA infrastructure
- Road opening permits for utility connections
- Bus shelter and POB submissions
- Railway Protection Zone clearances
- Temporary traffic management
Common LTA Compliance Challenges
TIA Scoping Process Confusion
Uncertainty whether project meets TIA threshold (criteria in Annex A not clearly interpreted). Timing of TIA scoping meeting unclear—many practices delay until Design Gateway preparation, causing timeline pressure. TIA specialist must be appointed before scoping meeting.
Active Mobility Checklist Compliance
Active Mobility Checklist is mandatory with DC Plan but architects frequently unaware until URA submission stage. Cycling path connectivity may conflict with landscape design, end-of-trip facilities often undersized, and covered linkway requirements discovered late.
Railway Protection Zone (RPZ) Submissions
Projects within RPZ require LTA Approval-in-Principle (AIP) for pile design and layout. AIP obtained through Piling Gateway but timing coordination with BCA structural approval creates dependencies. Vibration and settlement monitoring requirements often not addressed in initial design.
External Works Approval Delays
LTA, NParks, and PUB external works clearances can delay main development. CORENET X now allows partial clearance—only interfacing details cleared at Construction Gateway, balance approved later. Bus stop submissions follow different pathway (Direct Submission Process).
LTA Parameter Database
Search and explore all 43 parameters required for Land Transport Authority submissions.
Frequently Asked Questions about CORENET X for LTA
Validate LTA Parameters Inside Revit
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