Table 11 provides a summary list of the key factors used in the Shared-Use Path LOS model. It also provides the shorthand name for each factor and a general description of how it functions in the model.
| Factors found to affect bicyclists' LOS |
Shorthand name |
How the factor functions in the model |
| Overall user volume |
One-way volume per hour | Used in the calculations of meetings, active passes, and delayed passes |
| Peak-hour factor |
PHF | Accounts for flow peaking that was found to be common within hourly counts. Boosts base volume by 17.6 percent |
| Percentage of volume assigned to each of the five user types |
Mode split | Used in the calculations of active passes, number of meetings, and number of delayed passes |
| User speed |
Speed: average and standard deviation | Used in the calculations of meetings, active passes, and probability of delayed passes |
| Passing users traveling in the same direction |
Active pass | Multiplied by 10 and added to meetings to create total events |
| Test bicyclist speed |
Test bicyclist speed | Used in the calculations of meetings, active passes, and probability of delayed passes |
| Meeting users traveling in opposite direction |
Meetings | Added to 10 x active passes to create total events |
| Meetings and active passes |
Events | Total number of events and width determine LOS; calibrated to user perception survey grades |
| Path width |
Width | Limits or enables passes, determines impact of potential blockages, defines operational characteristics, and is calibrated to user perception survey grades |
| Other users block active passing event |
Delayed pass | Total number of delayed passes, from 0 to 180, correlates to a reduction of baseline LOS score of 0 to 1.5 |
| Presence of a striped centerline |
Centerline | Correlates to a .28 reduction in baseline LOS score |
