Road Access Standards
Table 1 Minimum Driveway Spacing Standards | ||||
|---|---|---|---|---|
Development Size in Peak-Hour Trips (PHT) | ||||
Road Type | Small | Moderate | Large | |
0-150 PHT | 151-300 PHT | greater than 300 PHT | ||
Arterial | 330 feet | 440 feet | 550 feet | |
Collector | 220 feet | 330 feet | 440 feet | |
Access or development | 60% of the minimum lot width requirement | |||
Table 2 Minimum Corner Clearance Requirements | ||
|---|---|---|
Type of Driveway | Minimum Clearance (feet) | |
Partial access: right turns in and/or out only | 110 | |
Full access: all directional movements | 220 | |
Table 3 Minimum Intersection Spacing Standards | |||
|---|---|---|---|
Road Type | Signalized Intersection (feet) | Unsignalized Intersection (feet) | |
Arterial | 2,640 | 1,320 | |
Collector | 2,640 | 1,320 | |
Development | 1,320 | 660 | |
Table 4 Maximum Intersection Spacing Standards | ||
|---|---|---|
Road Type | Approximate Spacing (feet) | |
Arterial | 5,280 | |
Collector | 2,640 | |
Access or development | 1,320 | |
Table 5 Minimum Median Spacing Standards | |||
|---|---|---|---|
Median Opening Type | |||
Posted Speed | Restrictive (limited directional movement) | Nonrestrictive (all directions) | |
Less than 45 mph | 660 feet | 1,320 feet | |
45 mph or more | 1,320 feet | 2,640 feet | |
Road Access Standards
Table 1 Minimum Driveway Spacing Standards | ||||
|---|---|---|---|---|
Development Size in Peak-Hour Trips (PHT) | ||||
Road Type | Small | Moderate | Large | |
0-150 PHT | 151-300 PHT | greater than 300 PHT | ||
Arterial | 330 feet | 440 feet | 550 feet | |
Collector | 220 feet | 330 feet | 440 feet | |
Access or development | 60% of the minimum lot width requirement | |||
Table 2 Minimum Corner Clearance Requirements | ||
|---|---|---|
Type of Driveway | Minimum Clearance (feet) | |
Partial access: right turns in and/or out only | 110 | |
Full access: all directional movements | 220 | |
Table 3 Minimum Intersection Spacing Standards | |||
|---|---|---|---|
Road Type | Signalized Intersection (feet) | Unsignalized Intersection (feet) | |
Arterial | 2,640 | 1,320 | |
Collector | 2,640 | 1,320 | |
Development | 1,320 | 660 | |
Table 4 Maximum Intersection Spacing Standards | ||
|---|---|---|
Road Type | Approximate Spacing (feet) | |
Arterial | 5,280 | |
Collector | 2,640 | |
Access or development | 1,320 | |
Table 5 Minimum Median Spacing Standards | |||
|---|---|---|---|
Median Opening Type | |||
Posted Speed | Restrictive (limited directional movement) | Nonrestrictive (all directions) | |
Less than 45 mph | 660 feet | 1,320 feet | |
45 mph or more | 1,320 feet | 2,640 feet | |