Functional Class
|
Route Name or Number
|
Location in Allegany County
|
---|---|---|
Principal arterial
|
168 (National Freeway)
|
Garrett County line to Washington County line
|
Route 220 North
|
Pennsylvania State line to I-68
| |
Major arterial
|
Route 36
|
Alternate Route 40 in LaVale to Route 135 at Westernport
|
Alternate Route 40
|
Garrett County line to Willow Brook Road
| |
Route 47
|
Route 36 at Barrellville to Pennsylvania State line
| |
Route 35
|
Route 36 at Corriganville to Pennsylvania State line
| |
Route 135
|
Garrett County line to Route 220 in McCoole
| |
Route 956
|
Route 220 at Pinto to West Virginia State line
| |
Route 51
|
I-68 in Cumberland to West Virginia State line
| |
Route 220 South
|
I-68 to West Virginia State line
| |
Minor arterial
|
Route 936
|
Route 36 at Midland to Alternate Route 40 in Frostburg
|
Route 55
|
Route 36 at Vale Summit to Alternate Route 40 in Clarysville
| |
Midlothian Road
|
I-68 to Alternate Route 40 in Frostburg
| |
Route 53 (Winchester Road)
|
Alternate Route 40 in LaVale Road to Route 220 in Cresaptown
| |
Route 658 (Vocke Road; Campground Road)
|
Alternate Route 40 in LaVale to Route 53 in LaVale
| |
Route 636 (Warrior Drive)
|
Route 53 to Route 220 in Cresaptown
| |
Route 144
|
I-68 at Naves Crossroads to I-68 at 15 Mile Creek
| |
Scenic Route 40
|
I-68 at 15 Mile Creek to Washington County line
| |
Route 639 (Willowbrook Road) Williams-Messick Roads
|
I-68 at Cumberland to Route 51
| |
Town Creek — Bear Hill Roads
|
Route 144 at Flintstone to Route 51 at Oldtown
| |
Old Route 220
|
Route 220 North at Smouses Mill Road to Route 144 at Naves Crossroad
|
Type of Road
|
Feet
| |
---|---|---|
Major collectors and arterials
|
60 minimum
| |
All other roads and streets
|
50
|
Specifications
| |||||
---|---|---|---|---|---|
Paved Roadway
| |||||
County Highway Function Classification
|
With Curbing
(feet)
|
Without Curbing
(feet)
|
Shoulder Width1
(feet)
|
Subbase Width
(feet)
| |
Minor arterial
|
34
|
24
|
10
|
a
| |
Collector or industrial park road
|
34
|
24
|
10
|
a
| |
All other streets and roads with ADT greater than 400
|
26
|
20
|
6
|
a
| |
All other streets and roads with ADT less than or equal to 400
|
18-222
|
18-222
|
b
|
b
|
NOTES:
| ||
---|---|---|
ADT — Design Average Daily Traffic count as approved by
the County Engineer.
| ||
1
|
For roadways without curbing.
| |
2
|
Roadway width depends upon design speed and functional use per
AASHTO Standards.
| |
(a)
|
Paved width plus shoulder width plus six inches each side.
| |
(b)
|
Roadside clear zone determined per AASHTO Standards.
|
Type
|
Arterial and Major Collectors
|
All Others
| |
---|---|---|---|
Subbase*
|
Compacted earth
|
Compacted earth
| |
Base course*
|
10 inches GASB stone
|
8 inches GASB stone
| |
Surface paving
|
4 inches bituminous in concrete two layers
|
3 inches bituminous concrete in two layers
| |
Curbing (no bituminous curbing allowed)
|
Poured in place concrete curb and gutter
|
Poured in place concrete curb and gutter or precast concrete
curb (if applicable)
|
NOTES:
| |
---|---|
* Subbase and base material shall be compacted to 95% of optimum
density as determined by AASHTO Method T-180.
|
Layer
|
RS3K Emulsified Asphalt
(gallons per square yard)
|
Graded Stone
| |
---|---|---|---|
1st
|
0.50
|
No. 54; 40 pounds per square yard
| |
2nd
|
0.30
|
No. 7; 25 pounds per square yard
| |
3rd
|
0.30
|
No. 8; 20 pounds per square yard
|
Lot Size or Area per Unit
|
Percentage of Total Subdivision Area to be Dedicated for
Recreation
|
---|---|
Above 10,000
|
None required
|
8,000 to 10,000
|
2.5%
|
6,000 to 8,000
|
5.0%
|
4,000 to 6,000
|
7.5%
|
4,000 or less
|
10.0%
|