1. Railroad crossings
(a) List, giving location
(b) Indicate whether cased or not; if not cased, provide reason
2. Street or road crossings
(a) List, giving location
(b) Indicate whether cased or not
(c) Indicate if heavier wall carrier pipe used
3. Lake, river, stream, or creek crossings
(a) List, giving location
(b) Describe any special construction precautions to be followed
4. Pipeline encroachments
(a) List any encroachments to railroads by location
(b) List any encroachments to roads in which special construction precautions will be employed; identify by location