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60 parking and storage on I-80 during severe winter storm events Most of the processes identified in this case study are the do not just affect NDOT and I-80 operations but also local result of operations needs at the field operations levels; this agencies when trucks seek parking alternatives in unsuitable includes field maintenance staff, highway patrol and law locations. Cities are faced with trying to accommodate the enforcement, and others. Relationships among DOT and pub- need for truck parking during these events. There are cur- lic safety/law enforcement are essential for these kinds of rently only 750 available parking spaces at truck stops and operations. NDOT does not have the level of influence of the other facilities along the I-80 corridor between the California/ highway patrol for implementing en-route truck turnarounds; Nevada state line and Fernley, Nevada, a distance of approxi- NHP's role for enforcement is critical. Both agencies recognize mately 50 mi (4). Truck stops are private developments that that current resource constraints limit their ability to ade- are subject to local zoning ordinances, which is often one of quately staff a long-term closure out in the field. This has trans- the biggest challenges in getting local approvals for building lated into deploying traveler information infrastructure further these kinds of facilities. Other concerns often expressed by east of the state line, coordinating with local agencies and truck local agencies or residents are enforcement, increase in traf- stops about the closure and its potential impacts, and establish- fic, and access issues; funding for access and potential inter- ing lines of communication with neighboring states to provide changes also limits the development potential. NDOT does even more advance warning to freight traffic. not have a role in land use planning or zoning, but is actively A long-standing agreement between Caltrans and NDOT partnering with municipalities and local agencies to examine established the initial framework for cooperative management long-term solutions to the need for more truck parking along strategies and gave Caltrans the ability to implement check- the corridor. points and truck-turnaround points in Nevada. A cooperative Because of the need to effectively manage freight traffic dur- venture between Caltrans and NDOT installed three DMS on ing winter events (as well as during other occurrences, such as I-80 just east of the state line, and Caltrans has remote access to an incident or wildfire evacuation), NDOT has mirrored capa- these signs to be able to post messages about state line closures bilities between the ROCs in Districts 2 and 3. This allows or restrictions for westbound traffic. operators from either center to execute predefined processes regardless of the center where they are based. References 1. FHWA, U.S. Department of Transportation. Reducing Non- Analysis and Research Observations Recurring Congestion. http://ops.fhwa.dot.gov/program_areas/ reduce-non-cong.htm. Accessed July 20, 2011. The evolution of the I-80 processes and strategies has been 2. Dyson, T., and M. Fuess. I-80 Truck Management During California Ice driven by several factors. At the core, there is a high priority on and Snow Events. Nevada Department of Transportation, Carson City, traveler safety during hazardous winter conditions, particularly 2008. given the steep elevation changes on this segment of I-80. 3. Nevada DOT. Reno/I-80 Truck Stop Closure. www.nevadadot.com/ Doing_Business/Trucking/Reno/I-80_Truck_Stop_Closure.aspx. There is also a need to minimize (or eliminate) the number of Accessed July 20, 2011. trucks parking on I-80, which affects other traffic, poses a haz- 4. Nevada Department of Transportation. Truck Parking Initiative. ard to emergency access, as well as impedes NDOT's winter Grant Application to FHWA, U.S. Department of Transportation, maintenance activities. 2008.