Subpart B - RAILROAD-HIGHWAY PROJECTS
- Appendix to Subpart B of Part 646 - Horizontal and Vertical Clearance Provisions for Overpass and Underpass Structures
- Section 646.200 - Purpose and applicability
- Section 646.202 - Reserved
- Section 646.204 - Definitions
- Section 646.206 - Types of projects
- Section 646.208 - Funding
- Section 646.210 - Classification of projects and railroad share of the cost
- Section 646.212 - Federal share
- Section 646.214 - Design
- Section 646.216 - General procedures
- Section 646.218 - Simplified procedure for accelerating grade crossing improvements
- Section 646.220 - Alternate Federal-State procedure