| { | |
| "What types of truck trips are occurring within Napa County?": "TTyp6", | |
| "What are the peaking characteristics of Napa County truck trips?": "TTyp7", | |
| "Where are truck trips starting and ending within Napa County?": "OD16", | |
| "What other counties do Napa County trucks interact with?": "OD17", | |
| "What is the length of Napa County truck trips?": "TL3", | |
| "How much VMT is generated by Napa County truck trips?": "VMT3" | |
| } |