NY 33 connects Buffalo and Rochester, running from NY 5 to NY 31. In Buffalo, it follows the Kensington Expressway from just east of NY 5 to the Airport. It was planned to extend west in two branches to I-190 exits 6 and 8.
| Actual Mile Posted Mile |
Eastbound | Westbound | Notes |
|---|---|---|---|
| Erie County | |||
| Speed Limit 30 | |||
| 0.5 N/A |
Oak Street Expressway Ends |
||
| 0.5 N/A |
 |
 WestGoodell Street |
|
| Speed Limit 55 | Speed Limit 30 | ||
| 0.6 0.0 |
Locust Street | ||
| 1.0 0.4 |
Jefferson Avenue | ||
| 1.6 1.0 |
Best Street Science Musuem |
||
| 2.1 1.5 |
Humboldt Parkway No trucks over 3 tons |
||
| 2.4 1.8 |
Humboldt Parkway No trucks over 3 tons |
||
| 2.9 2.3 |
 West |
||
| 3.3 2.7 |
Fillmore Avenue | Accessible only from NY 198 | |
| 3.9 3.3 |
Grider Street | ||
| 4.2 3.8 |
Olympic Avenue No trucks over 5 tons |
||
| 4.7 4.1 |
 Bailey Avenue |
||
| 4.9 4.3 |
Suffolk Street No trucks over 5 tons |
||
| 5.4 4.8 |
Eggert Road | ||
| 5.9 5.3 |
 Pine Ridge Road Harlem Road |
||
| 6.2 5.6 |
Harlem Road |
||
| 7.1 6.5 |
 WestThruway Erie |
||
| 7.1 6.5 |
East To  Thruway Albany |
||
| 7.8 7.2 |
 Union Road |
||
| 8.3 7.7 |
Dick Road Cayuga Road |
||
| 8.6 8.0 |
East Genesee Street Airport Parking |
 |
At-grade intersection |
| Speed Limit 55 | |||
| Erie County | |||