Table 4: Number and Cost of 2014 Projects by Improvement Category
| Improvement Category | Number of Projects | Total Cost of Projects* | Average Total Cost* | Total HSIP Cost of Projects* | Average HSIP Cost* |
|---|---|---|---|---|---|
| Access management | 44 | $32,141,704.64 | $730,493.29 | $15,956,142.85 | $469,298.32 |
| Advanced technology and ITS | 32 | $97,248,822.63 | $3,039,025.71 | $21,541,018.47 | $742,793.74 |
| Alignment | 59 | $60,497,797.52 | $1,025,386.40 | $40,080,788.75 | $703,171.73 |
| Animal-related | 3 | $4,734,751.00 | $1,578,250.33 | $3,657,000.00 | $1,219,000.00 |
| Interchange design | 40 | $224,660,024.70 | $5,616,500.62 | $39,537,728.17 | $1,129,649.38 |
| Intersection geometry | 379 | $368,313,376.72 | $971,803.10 | $244,373,603.90 | $655,157.12 |
| Intersection traffic control | 505 | $339,054,528.95 | $676,755.55 | $254,780,379.68 | $516,795.90 |
| Lighting | 40 | $48,448,386.46 | $1,211,209.66 | $25,203,935.82 | $630,098.40 |
| Miscellaneous | 74 | $52,228,356.64 | $705,788.60 | $43,862,898.71 | $609,206.93 |
| Multiple | 2 | $2,349,200.00 | $1,174,600.00 | ||
| Non-infrastructure | 148 | $83,350,652.89 | $563,180.09 | $74,068,505.79 | $510,817.28 |
| Parking | 2 | $1,017,607.00 | $508,803.50 | $925,456.00 | $462,728.00 |
| Pedestrians and bicyclists | 118 | $57,247,653.74 | $485,149.61 | $47,472,978.18 | $402,313.37 |
| Railroad grade crossings | 13 | $5,869,460.99 | $451,497.00 | $4,952,235.72 | $380,941.21 |
| Roadside | 303 | $231,469,904.15 | $763,927.08 | $190,975,246.19 | $647,373.72 |
| Roadway | 722 | $672,907,191.64 | $934,593.32 | $359,546,430.98 | $502,862.14 |
| Roadway delineation | 160 | $117,859,258.55 | $736,620.37 | $87,687,250.88 | $548,045.32 |
| Roadway signs and traffic control | 185 | $58,007,161.69 | $318,720.67 | $56,629,838.53 | $307,770.86 |
| Shoulder treatments | 193 | $377,927,662.76 | $1,958,174.42 | $213,551,495.45 | $1,106,484.43 |
| Speed management | 3 | $208,139.00 | $69,379.67 | $193,139.00 | $64,379.67 |
| Work Zone | 14 | $3,360,560.30 | $240,040.02 | $2,928,060.04 | $209,147.15 |
| Unknown | 227 | $161,027,919.77 | $709,374.10 | $28,641,673.00 | $201,701.92 |
| Total | 3266 | $2,999,930,121.74 | $921,071.58 | $1,756,565,806.11 | $563,001.86 |
* Not all states provided cost data for all projects in a given improvement category.
Table 5: Number and Cost of Projects by Subcategory for Intersection Geometry
| Subcategory | Number of Projects | Total Cost |
|---|---|---|
| Auxiliary lanes – add left-turn lane | 92 | $98,150,952 |
| Auxiliary lanes – add right-turn lane | 19 | $19,872,036 |
| Auxiliary lanes – other | 99 | $76,545,136 |
| Intersection geometrics – modify skew angle | 20 | $10,303,433 |
| Intersection geometrics – other/unknown | 136 | $153,260,723 |
| Intersection geometrics – realignment to improve offset | 13 | $10,181,097 |
| Total | 379. | $368,313,377 |
Table 6: Number and Cost of Projects by Subcategory for Intersection Traffic Control
| Subcategory | Number of Projects | Total Cost |
|---|---|---|
| Intersection flashers and signing | 65 | $9,448,113 |
| Intersection traffic control – other/unknown | 117 | $57,210,865 |
| Modify control to roundabout | 70 | $95,532,287 |
| Modify traffic signal | 219 | $152,114,801 |
| Modify traffic signal timing or phasing | 27 | $22,653,219 |
| Pavement markings | 7 | $2,095,244 |
| Total | 505 | $339,054,529 |
Table 7: Number and Cost of Projects by Subcategory for Pedestrians and Bicyclists
| Subcategory | Number of Projects | Total Cost |
|---|---|---|
| Install or modify crosswalk | 23 | $11,820,499 |
| Install or modify pedestrian signal | 31 | $13,852,377 |
| Install sidewalk | 20 | $9,097,960 |
| Miscellaneous pedestrian and bicyclist improvements | 44 | $22,476,818 |
| Total | 118 | $57,247,654 |
Table 8: Number and Cost of Projects by Subcategory for Roadway
| Subcategory | Number of Projects | Total Cost |
|---|---|---|
| Pavement surface |
112 |
$122,611,934 |
| Roadway – other/unknown |
201 |
$178,355,380 |
| Roadway narrowing (road diet, roadway reconfiguration) |
9 |
$5,429,806 |
| Roadway widening |
38 |
$160,398,356 |
| Rumble strips |
344 |
$200,617,348 |
| Superelevation / cross slope | 18 |
$5,494,367 |
| Total | 722 | $672,907,192 |
Table 9: Number and Cost of Projects by Subcategory for Non-Infrastructure
| Subcategory | Number of Projects | Total Cost |
|---|---|---|
| Data/traffic records | 38 | $8,918,041 |
| Educational efforts/outreach | 21 | $12,449,466 |
| Enforcement | 8 | $8,855,806 |
| Non-infrastructure – other/unknown | 30 | $15,477,797 |
| Road safety audits | 15 | $2,299,779 |
| Training and workforce development | 2 | $848,098 |
| Transportation safety planning | 34 | $34,501,667 |
| Total | 48 | $83,350,653 |