Design and Performance Standards
Speed | Looking Right (Left Turn) | Looking Left (Right Turn) |
|---|---|---|
25 | 280 | 240 |
30 | 335 | 290 |
35 | 390 | 335 |
40 | 445 | 385 |
45 | 500 | 430 |
50 | 555 | 480 |
55 | 610 | 530 |
60 | 665 | 575 |
One-Way Curbline Opening (feet) | Operation Driveway Width (feet) | Two-Way Curbline Opening (feet) | Operation Driveway Width (feet) | |
|---|---|---|---|---|
5- to 10-family residence | 12-15 | 10-13 | 24-30 | 24-30 |
10-family or over | 12-30 | 10-26 | 24-36 | 24-30 |
Commercial and industrial | 24-50 | 14-34 | 24-50 | 24-46 |
Service stations | 15-36 | 12-34 | 12-36 | 20-34 |
Angle of Parking Space | One-Way Aisle (feet) | Two-Way Aisle (feet) |
|---|---|---|
90° | 24 | 24 |
60° | 18 | 24 |
45° | 15 | 24 |
30° | 12 | 24 |
Parallel | 12 | 24 |
Apron/Aisle Length (feet) | |||
|---|---|---|---|
Loading Space | |||
Length (feet) | Width (feet) | 90° | 60° |
60 | 10 | 72 | 66 |
60 | 12 | 63 | 57 |
60 | 14 | 60 | 54 |
Noise Level Restrictions | ||
|---|---|---|
Performance Category | Maximum Level Permitted (dBA) | Where Measured |
Residential districts | 55* | On or beyond the neighboring use or lot line |
Agricultural districts | 60 | On or beyond the neighboring use |
All other districts | 65 | On or beyond the district boundaries |
*NOTE: In any residential district, the A-weighted sound levels shall not exceed 45 decibels during the hours of 9:00 p.m. to 7:00 a.m. Whenever a residential district abuts any other district, the most restrictive of the limitations shall apply. |
Classification | ROW Width (feet) | Traffic Lanes | Width Between Curbs (feet) | Total Utility and Right-of-Way Outside the Curb* (feet) |
|---|---|---|---|---|
Arterial | 86 | 4 @ 12' | 64 | 22 |
Collector | 60 | 2 @ 12' | 40 | 20 |
Primary local | 56 | 2 @ 10' | 36 | 14 |
Secondary local | 50 | 2 @ 10' | 30 | 20 |
* Shall be grass-stabilized topsoil, minimum four inches deep. |
Design and Performance Standards
Speed | Looking Right (Left Turn) | Looking Left (Right Turn) |
|---|---|---|
25 | 280 | 240 |
30 | 335 | 290 |
35 | 390 | 335 |
40 | 445 | 385 |
45 | 500 | 430 |
50 | 555 | 480 |
55 | 610 | 530 |
60 | 665 | 575 |
One-Way Curbline Opening (feet) | Operation Driveway Width (feet) | Two-Way Curbline Opening (feet) | Operation Driveway Width (feet) | |
|---|---|---|---|---|
5- to 10-family residence | 12-15 | 10-13 | 24-30 | 24-30 |
10-family or over | 12-30 | 10-26 | 24-36 | 24-30 |
Commercial and industrial | 24-50 | 14-34 | 24-50 | 24-46 |
Service stations | 15-36 | 12-34 | 12-36 | 20-34 |
Angle of Parking Space | One-Way Aisle (feet) | Two-Way Aisle (feet) |
|---|---|---|
90° | 24 | 24 |
60° | 18 | 24 |
45° | 15 | 24 |
30° | 12 | 24 |
Parallel | 12 | 24 |
Apron/Aisle Length (feet) | |||
|---|---|---|---|
Loading Space | |||
Length (feet) | Width (feet) | 90° | 60° |
60 | 10 | 72 | 66 |
60 | 12 | 63 | 57 |
60 | 14 | 60 | 54 |
Noise Level Restrictions | ||
|---|---|---|
Performance Category | Maximum Level Permitted (dBA) | Where Measured |
Residential districts | 55* | On or beyond the neighboring use or lot line |
Agricultural districts | 60 | On or beyond the neighboring use |
All other districts | 65 | On or beyond the district boundaries |
*NOTE: In any residential district, the A-weighted sound levels shall not exceed 45 decibels during the hours of 9:00 p.m. to 7:00 a.m. Whenever a residential district abuts any other district, the most restrictive of the limitations shall apply. |
Classification | ROW Width (feet) | Traffic Lanes | Width Between Curbs (feet) | Total Utility and Right-of-Way Outside the Curb* (feet) |
|---|---|---|---|---|
Arterial | 86 | 4 @ 12' | 64 | 22 |
Collector | 60 | 2 @ 12' | 40 | 20 |
Primary local | 56 | 2 @ 10' | 36 | 14 |
Secondary local | 50 | 2 @ 10' | 30 | 20 |
* Shall be grass-stabilized topsoil, minimum four inches deep. |