Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Characteristics of the buses in terms of maximum occupancy, volume, crowding index, and ventilation rate.
| Bus class | Maximum occupancy suggested by the (ECE-R107, 2015) regulation |
Volume (m3) |
Crowding index (person m−3) |
Air exchange rate due to outdoor fresh air (EN 1432–1) (h−1) |
||
|---|---|---|---|---|---|---|
| Seats | Standees | Tot | ||||
| I | 36 | 57 | 93 | 63 | 1.5 | 22 |
| III | 51 | – | 51 | 65 | 0.8 | 12 |
